A017644 (12n+10)^4.

10000, 234256, 1336336, 4477456, 11316496, 24010000, 45212176, 78074896, 126247696, 193877776, 285610000, 406586896, 562448656, 759333136, 1003875856, 1303210000, 1664966416, 2097273616

Offset

0,1

Links

Table of n, a(n) for n=0..17.

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

Formula

a(0)=10000, a(1)=234256, a(2)=1336336, a(3)=4477456, a(4)=11316496, a(n)=5*a(n-1)-10*a(n-2)+10*a(n-3)-5*a(n-4)+a(n-5). - Harvey P. Dale, Jan 22 2016

Mathematica

(12*Range[0, 20]+10)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {10000, 234256, 1336336, 4477456, 11316496}, 20] (* Harvey P. Dale, Jan 22 2016 *)

Crossrefs

Sequence in context: A017272 A017512 A096968 * A250440 A013857 A091566

Adjacent sequences: A017641 A017642 A017643 * A017645 A017646 A017647

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved