41632

Appears in sequences

• Convergent of an infinite product, a*b*c,...; a = [1,1,1,...], b = [1,0,2,0,2,0,2,...], c = [1,0,0,3,0,0,3,0,0,3,...],...at n=20A162506
• Number of (n+1) X 3 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=34A204645
• a(n) = Sum_{k=0..n} (k+1) * 2^k * 3^(n-k) * binomial(k,n-k)^2.at n=6A391677