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A126448 Column 2 of triangle A126445; a(n) = C( C(n+4,3) - 4, n). 4

%I

%S 1,6,120,4495,270725,24040016,2967205528,487444845680,103073959989495,

%T 27319423696620550,8881600973913295056,3478625214672347911080,

%U 1616770762998304775695925,880246034121663208464847200

%N Column 2 of triangle A126445; a(n) = C( C(n+4,3) - 4, n).

%o (PARI) a(n)=binomial((n+2)*(n+3)*(n+4)/3!-4, n)

%Y Cf. A126445; A126446, A126447, A126449.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Dec 27 2006

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Last modified July 2 18:27 EDT 2022. Contains 355029 sequences. (Running on oeis4.)