34400domain: NAppears in sequencesFourth column (k=5) of array A078739(n,k) ((2,2)- generalized Stirling2) divided by 12.at n=3A089272a(n) = n*(2*n^2 + 5*n + 1).at n=25A163832Self-convolution of A155200.at n=4A167140a(n) = n^3 - a(n-2) for n >= 2 and a(0)=0, a(1)=1.at n=40A215097