A017428 (11n+3)^4.

81, 38416, 390625, 1679616, 4879681, 11316496, 22667121, 40960000, 68574961, 108243216, 163047361, 236421376, 332150625, 454371856, 607573201, 796594176, 1026625681, 1303210000, 1632240801, 2019963136

Offset

0,1

Links

Table of n, a(n) for n=0..19.

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

Formula

a(0)=81, a(1)=38416, a(2)=390625, a(3)=1679616, a(4)=4879681, 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 15 2013

Mathematica

(11*Range[0, 30]+3)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {81, 38416, 390625, 1679616, 4879681}, 30] (* Harvey P. Dale, Jan 15 2013 *)

Crossrefs

Sequence in context: A088063 A017200 A017308 * A195274 A189149 A088188

Adjacent sequences: A017425 A017426 A017427 * A017429 A017430 A017431

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved