A020553 7th Fibonacci polynomial evaluated at x=n!.

13, 13, 169, 53353, 192765313, 2987020886401, 139315413199910401, 16390164189282661209601, 4296582368719161586407014401, 2283380023678431422349630232166401, 2283380023592597821850615100577136640001, 4045146997974202929578655563117617193533440001

Offset

0,1

Links

Paolo Xausa, Table of n, a(n) for n = 0..104

Formula

a(n) = (n!)^6 + 5*(n!)^4 + 6*(n!)^2 + 1. - Christian Krause, Jun 08 2026

Maple

with (combinat):seq(fibonacci(7, n!), n=0..11); # Zerinvary Lajos, Apr 21 2008

Mathematica

Fibonacci[7, Range[0, 15]!] (* Paolo Xausa, Jun 18 2026 *)

Crossrefs

Sequence in context: A154706 A294077 A165834 * A094461 A186070 A254069

Adjacent sequences: A020550 A020551 A020552 * A020554 A020555 A020556

Keyword

nonn

Author

Simon Plouffe

Status

approved