A024087 a(n) = 7^n - n^12.

1, 6, -4047, -531098, -16774815, -244123818, -2176664687, -13840463658, -68713711935, -282389182874, -999717524751, -3136451049978, -8902259161055, -23201196112074, -56015689302447, -124998776380682, -248242046141055

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..400

Prog

(Magma) [7^n-n^12: n in [0..20]]; // Vincenzo Librandi, Jul 04 2011

Crossrefs

Sequence in context: A140173 A158663 A110106 * A161845 A317485 A209310

Adjacent sequences: A024084 A024085 A024086 * A024088 A024089 A024090

Keyword

sign,easy

Author

N. J. A. Sloane

Status

approved