100000000
参考

↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [7 September 2017].
1 2 3  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. Sloane, N. J. A. (ed.). "Sequence A001190 (Wedderburn-Etherington numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-17.
↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
1 2 3 4  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
1 2  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. Sloane, N. J. A. (ed.). "Sequence A000108 (Catalan numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-17.
1 2 3  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
1 2  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. Sloane, N. J. A. (ed.). "Sequence A001006 (Motzkin numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-17.
1 2 3  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
1 2 3  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
↑  . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. （原始内容存档于2019-08-30）.
1 2  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
1 2 3 4  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
1 2  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Sloane, N. J. A. (ed.). "Sequence A003226 (Automorphic numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2019-04-06.
1 2  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. Sloane, N. J. A. (ed.). "Sequence A000129 (Pell numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-17.
↑  . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. （原始内容存档于2010-12-29）.
↑  . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. （原始内容存档于2012-05-25）.
↑  . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. （原始内容存档于2012-10-09）.
↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
↑  . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. （原始内容存档于2020-10-03）.
↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2022-06-02].
↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
↑  . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2016-06-17]. （原始内容存档于2010-11-25）.
↑  Sloane, N.J.A. (编). . The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.   [2021-09-01].