0,2

a(n)= 1+5*n+14*n^2+28*n^3+42*n^4+42*n^5. Sixth row polynomial (n=5) of Catalan triangle A009766.

G.f.:(1+126*x+1530*x^2+2624*x^3+741*x^4+18*x^5)/(1-x)^6.

A064302 (sixth diagonal).

Sequence in context: A033278 A119982 A129975 this_sequence A023902 A035837 A035818

Adjacent sequences: A064300 A064301 A064302 this_sequence A064304 A064305 A064306

nonn,easy

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Sep 13 2001