33566720
domain: N
Appears in sequences
- Row sums of triangle in A077569.at n=25A077570
- Number of -1..1 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having two or four distinct values for every i,j,k<=n.at n=23A211525
- a(n) = 2^(n-1)*(2^n+3).at n=13A257273
- Number of monomials in c(n) where c(1) = x, c(2) = y, c(n+2) = c(n+1) + c(n)^2.at n=28A290075