37580963840domain: NAppears in sequences4-fold convolution of A000302 (powers of 4); expansion of g.f. 1/(1-4*x)^4.at n=13A038846Number of 1's in all compositions of n+1.at n=32A045623Triangle, read by rows, where T(n,k) = 2^[n*(n-1) - k*(k-1)] * binomial(n,k) for n>=k>=0.at n=32A134484a(n) = n*2^(n-5).at n=30A196410