0,1

a(n)= binomial(n+4, 4)*(15+4*n)/5.

G.f.: (3+x)/(1-x)^6.

Sequence in context: A091968 A158714 A064056 this_sequence A095662 A072263 A090698

Adjacent sequences: A059596 A059597 A059598 this_sequence A059600 A059601 A059602

nonn,easy

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Feb 02 2001.