%I #3 Mar 30 2012 18:37:02
%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
|