A130886 4n^4 + 3n^3 + 2n^2 + n + 1.

1, 11, 99, 427, 1253, 2931, 5911, 10739, 18057, 28603, 43211, 62811, 88429, 121187, 162303, 213091, 274961, 349419, 438067, 542603, 664821, 806611, 969959, 1156947, 1369753, 1610651, 1882011, 2186299, 2526077, 2904003

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Formula

G.f.: (1 + 6*x + 54*x^2 + 32*x^3 + 3*x^4)/(1 - x)^5. - Vincenzo Librandi, Feb 12 2013

Mathematica

CoefficientList[Series[(1 + 6 x + 54 x^2 + 32 x^3 + 3 x^4)/(1 - x)^5, {x, 0, 35}], x] (* Vincenzo Librandi, Feb 12 2013 *)

Prog

(Magma) [4*n^4+3*n^3+2*n^2+n+1: n in [0..40]]; // Vincenzo Librandi, Feb 12 2013

Crossrefs

Cf. A084849, A056109, A056105.

Sequence in context: A138930 A106136 A223622 * A239486 A015671 A190870

Adjacent sequences: A130883 A130884 A130885 * A130887 A130888 A130889

Keyword

nonn,easy

Author

Mohammad K. Azarian, Jul 26 2007

Status

approved