0,1
If n=0 then C(n+7,7)*C(n+9,7)=C(7,7)*C(9,7)=1*36=36
If n=4 then C(4+7,7)*C(4+9,7)=C(11,7)*C(13,7)=330*1716=566280
Cf. A062196.
Sequence in context: A062150 A011811 A167250 * A053111 A130563 A025419
Adjacent sequences: A107395 A107396 A107397 * A107399 A107400 A107401
easy,nonn
Zerinvary Lajos (zlaja(AT)freemail.hu), May 25 2005