A017404 a(n) = (11*n + 1)^4.

1, 20736, 279841, 1336336, 4100625, 9834496, 20151121, 37015056, 62742241, 100000000, 151807041, 221533456, 312900721, 429981696, 577200625, 759333136, 981506241, 1249198336, 1568239201, 1944810000, 2385443281, 2897022976, 3486784401, 4162314256, 4931550625, 5802782976

Offset

0,2

Links

Paolo Xausa, Table of n, a(n) for n = 0..10000

Index entries for linear recurrences with constant coefficients, signature (5,-10,10,-5,1).

Mathematica

(11Range[0, 20]+1)^4 (* or  *) LinearRecurrence[{5, -10, 10, -5, 1}, {1, 20736, 279841, 1336336, 4100625}, 20] (* Harvey P. Dale, Mar 18 2025 *)

Crossrefs

Sequence in context: A176771 A390381 A223237 * A017524 A223325 A180691

Adjacent sequences: A017401 A017402 A017403 * A017405 A017406 A017407

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved