191336

Appears in sequences

• Let F(x) = 1 + x + 4x^2 + 9x^3 + ... = g.f. for A002835 (solid partitions restricted to two planes) and expand (1-x)*(1-x^2)*(1-x^3)*...*F(x) in powers of x.at n=21A005980
• Sum of an infinite series: a(n) = Sum_{k>=0} ((k+1)*(k+2))^n/(16*(2^k)).at n=3A080163
• Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)=2.at n=34A212895