login
A016111
Expansion of 1/((1-11x)(1-12x)(1-13x)(1-14x)(1-15x)).
4
1, 65, 2540, 77350, 2022951, 47708115, 1043778730, 21572322200, 426384404501, 8130687730165, 150551375530920, 2720251171051050, 48146139744079651, 837259855674756215, 14340645378939543110
OFFSET
0,2
LINKS
A. J. Macula, Lewis Carroll and the enumeration of minimal covers, Math. Mag., 68 (1995), 269-274.
Eric Weisstein's World of Mathematics, Minimal Cover
Index entries for linear recurrences with constant coefficients, signature (65, -1685, 21775, -140274, 360360).
MATHEMATICA
CoefficientList[Series[1 / ((1 - 11 x) (1 - 12 x) (1 - 13 x) (1 - 14 x) (1 - 15 x)), {x, 0, 20}], x] (* Vincenzo Librandi, Jun 24 2013 *)
PROG
(PARI) Vec(1/((1-11*x)*(1-12*x)*(1-13*x)*(1-14*x)*(1-15*x))+O(x^99)) \\ Charles R Greathouse IV, Sep 26 2015
CROSSREFS
Sequence in context: A017728 A300168 A004354 * A217675 A237858 A383754
KEYWORD
nonn,easy
EXTENSIONS
Offset changed from 1 to 0. Typo in name fixed by Vincenzo Librandi, Jun 24 2013
STATUS
approved