A024131 a(n) = 11^n - n^4.

1, 10, 105, 1250, 14385, 160426, 1770265, 19484770, 214354785, 2357941130, 25937414601, 285311655970, 3138428355985, 34522712115370, 379749833544825, 4177248169365026, 45949729863506625, 505447028499210250

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..300
• Index entries for linear recurrences with constant coefficients, signature (16,-65,120,-115,56,-11).

Programs

Magma

[11^n-n^4: n in [0..20]]; // Vincenzo Librandi, Jul 01 2011

Mathematica

Table[11^n-n^4,{n,0,20}] (* or *) LinearRecurrence[{16,-65,120,-115,56,-11},{1,10,105,1250,14385,160426},20] (* Harvey P. Dale, Mar 13 2019 *)

PARI

a(n)=11^n-n^4 \\ Charles R Greathouse IV, Jul 01 2011