A017176 (9n+1)^4.

1, 10000, 130321, 614656, 1874161, 4477456, 9150625, 16777216, 28398241, 45212176, 68574961, 100000000, 141158161, 193877776, 260144641, 342102016, 442050625, 562448656, 705911761, 875213056

Offset

0,2

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

G.f.: ( -1-9995*x-80331*x^2-63041*x^3-4096*x^4 ) / (x-1)^5 . - R. J. Mathar, Jul 14 2016

Mathematica

(9*Range[0, 20]+1)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {1, 10000, 130321, 614656, 1874161}, 20] (* Harvey P. Dale, Jan 07 2024 *)

Crossrefs

Sequence in context: A167149 A277398 A326640 * A017272 A017512 A096968

Adjacent sequences: A017173 A017174 A017175 * A017177 A017178 A017179

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved