OFFSET
0,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (35, -560, 5432, -35714, 168542, -589632, 1556776, -3126949, 4777591, -5506936, 4703032, -2881136, 1195632, -300672, 34560).
FORMULA
G.f.: (105-1470*x+8400*x^2-25130*x^3+41615*x^4-36280*x^5+13048*x^6) / product((1-j*x)^(6-j), j=1..5).
a(n) = 5*a(n-1) + (n+7)*A112496(n).
MATHEMATICA
CoefficientList[Series[(105 - 1470*x + 8400*x^2 - 25130*x^3 + 41615*x^4 - 36280*x^5 + 13048*x^6)/Product[(1 - j*x)^(6 - j), {j, 1, 5}], {x, 0, 50}], x] (* G. C. Greubel, Nov 13 2017 *)
PROG
(PARI) x='x+O('x^50); Vec((105 -1470*x +8400*x^2 -25130*x^3 +41615*x^4 -36280*x^5 +13048*x^6)/((1-x)^5*(1-2*x)^4*(1-3*x)^3*(1-4*x)^2*(1-5*x))) \\ G. C. Greubel, Nov 13 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Oct 14 2005
STATUS
approved