キャブタクシー数
C a b t a x i ( 5 ) = 6017193 = 166 3 + 113 3 = 180 3 + 57 3 = 185 3 − 68 3 = 209 3 − 146 3 = 246 3 − 207 3 {\displaystyle {\begin{matrix}\mathrm {Cabtaxi} (5)&=&6017193&=&166^{3}+113^{3}\\&&&=&180^{3}+57^{3}\\&&&=&185^{3}-68^{3}\\&&&=&209^{3}-146^{3}\\&&&=&246^{3}-207^{3}\end{matrix}}}
C a b t a x i ( 6 ) = 1412774811 = 963 3 + 804 3 = 1134 3 − 357 3 = 1155 3 − 504 3 = 1246 3 − 805 3 = 2115 3 − 2004 3 = 4746 3 − 4725 3 {\displaystyle {\begin{matrix}\mathrm {Cabtaxi} (6)&=&1412774811&=&963^{3}+804^{3}\\&&&=&1134^{3}-357^{3}\\&&&=&1155^{3}-504^{3}\\&&&=&1246^{3}-805^{3}\\&&&=&2115^{3}-2004^{3}\\&&&=&4746^{3}-4725^{3}\end{matrix}}}