0,2

a(n)=[9n+11]*C(n+10, 10)/11. G.f.(x)=(1+8x)/(1-x)^12.

Cf. A056003.

Sequence in context: A056932 A010826 A022712 this_sequence A027791 A047819 A163689

Adjacent sequences: A056125 A056126 A056127 this_sequence A056129 A056130 A056131

easy,nonn

Barry E. Williams, Jul 08 2000