A024126 a(n) = 10^n - n^12.

1, 9, -3996, -530441, -16767216, -244040625, -2175782336, -13831287201, -68619476736, -281429536481, -990000000000, -3038428376721, -7916100448256, -13298085122481, 43306087624704, 870253662109375, 9718525023289344

Offset: 0

Author

N. J. A. Sloane

Keywords

• sign
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..300
• Index entries for linear recurrences with constant coefficients, signature (23,-208,1066,-3575,8437,-14586,18876,-18447,13585,-7436,2938,-793,131,-10).

Programs

Magma

[10^n-n^12: n in [0..20]]; // Vincenzo Librandi, Jul 01 2011

Mathematica

Table[10^n-n^12,{n,0,20}] (* Harvey P. Dale, Jul 18 2011 *)

PARI

a(n)=10^n-n^12 \\ Charles R Greathouse IV, Jul 01 2011