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A112504 Fifth column of triangle A112500. 1

%I #3 Oct 12 2012 14:40:24

%S 1,35,665,9107,100751,957197,8110087,62854845,453710670,3091406010,

%T 20086835910,125465290530,758173316850,4455503465430,25571494599330,

%U 143839855533270,795332428661055,4333564250230845,23317657891319095

%N Fifth column of triangle A112500.

%C For a combinatorial formula see A112500, case k=5.

%F G.f.: 1/product((1-j*x)^(6-j), j=1..5) = 1/(((1-x)^5)*((1-2*x)^4)*((1-3*x)^3)*((1-4*x)^2)*(1-5*x)).

%F a(n) computable from partial fraction decomposition of g.f. Cf. A112503.

%K nonn,easy

%O 0,2

%A _Wolfdieter Lang_, Oct 14 2005

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Last modified June 23 20:17 EDT 2024. Contains 373653 sequences. (Running on oeis4.)