A017416 (11n+2)^4.

16, 28561, 331776, 1500625, 4477456, 10556001, 21381376, 38950081, 65610000, 104060401, 157351936, 228886641, 322417936, 442050625, 592240896, 777796321, 1003875856, 1275989841, 1600000000, 1982119441

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)=16, a(1)=28561, a(2)=331776, a(3)=1500625, a(4)=4477456, a(n)= 5*a(n-1)- 10*a(n-2)+10*a(n-3)-5*a(n-4)+a(n-5) From Harvey P. Dale, Jun 05 2012

Mathematica

(11Range[0, 20]+2)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {16, 28561, 331776, 1500625, 4477456}, 20] (* Harvey P. Dale, Jun 05 2012 *)

Crossrefs

Sequence in context: A308309 A159427 A340590 * A265618 A087518 A249971

Adjacent sequences: A017413 A017414 A017415 * A017417 A017418 A017419

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved