キャブタクシー数
C a b t a x i ( 10 ) = 933528127886302221000 = 77480130 3 − 77428260 3 = 41337660 3 − 41154750 3 = 18421650 3 − 17454840 3 = 10852660 3 − 7011550 3 = 10060050 3 − 4389840 3 = 9877140 3 − 3109470 3 = 9781317 3 − 1318317 3 = 9773330 3 − 84560 3 = 8444345 3 + 6920095 3 = 8387730 3 + 7002840 3 {\displaystyle {\begin{matrix}\mathrm {Cabtaxi} (10)&=&933528127886302221000&=&77480130^{3}-77428260^{3}\\&&&=&41337660^{3}-41154750^{3}\\&&&=&18421650^{3}-17454840^{3}\\&&&=&10852660^{3}-7011550^{3}\\&&&=&10060050^{3}-4389840^{3}\\&&&=&9877140^{3}-3109470^{3}\\&&&=&9781317^{3}-1318317^{3}\\&&&=&9773330^{3}-84560^{3}\\&&&=&8444345^{3}+6920095^{3}\\&&&=&8387730^{3}+7002840^{3}\end{matrix}}}