A017044 a(n) = (7*n + 5)^4.

625, 20736, 130321, 456976, 1185921, 2560000, 4879681, 8503056, 13845841, 21381376, 31640625, 45212176, 62742241, 84934656, 112550881, 146410000, 187388721, 236421376, 294499921, 362673936

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

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

Formula

G.f.: -(625 + 17611*x + 32891*x^2 + 6481*x^3 + 16*x^4)/(x-1)^5. - R. J. Mathar, Jul 14 2016

Prog

(Magma) [(7*n+5)^4: n in [0..30] ]; // Vincenzo Librandi, Jul 18 2011

Crossrefs

Sequence in context: A016852 A016972 A156162 * A080175 A017128 A180259

Adjacent sequences: A017041 A017042 A017043 * A017045 A017046 A017047

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved