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A008772 Expansion of (1+x^11)/(1-x)/(1-x^2)/(1-x^3)/(1-x^4). 1
1, 1, 2, 3, 5, 6, 9, 11, 15, 18, 23, 28, 35, 41, 50, 59, 70, 81, 95, 109, 126, 143, 163, 184, 208, 232, 260, 289, 321, 354, 391, 429, 471, 514, 561, 610, 663, 717, 776, 837, 902, 969, 1041, 1115, 1194, 1275 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..2000

Index entries for linear recurrences with constant coefficients, signature (2, -1, 1, -1, -1, 1, -1, 2, -1).

FORMULA

G.f.: (1+x^11)/(1-x)/(1-x^2)/(1-x^3)/(1-x^4).

MATHEMATICA

CoefficientList[Series[(1 + x^11)/(1 - x)/(1 - x^2)/(1 - x^3)/(1 - x^4), {x, 0, 50}], x] (* Wesley Ivan Hurt, Apr 08 2017 *)

Join[{1, 1}, LinearRecurrence[{2, -1, 1, -1, -1, 1, -1, 2, -1}, {2, 3, 5, 6, 9, 11, 15, 18, 23}, 30]] (* Vincenzo Librandi, Apr 09 2017 *)

PROG

(PARI) Vec((1+x^11)/(1-x)/(1-x^2)/(1-x^3)/(1-x^4) + O(x^60)) \\ Michel Marcus, Apr 08 2017

CROSSREFS

Sequence in context: A026810 A001400 A008773 * A008771 A008770 A230515

Adjacent sequences:  A008769 A008770 A008771 * A008773 A008774 A008775

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified January 22 05:11 EST 2019. Contains 319353 sequences. (Running on oeis4.)