729962domain: NAppears in sequencesa(n) = n^2 + (n + 1)^3 + (n + 2)^4.at n=27A061222Row sums of the matrix square of triangle A091351, in which the k-th column lists the row sums of A091351^k (the k-th power of A091351 when considered as a lower triangular matrix).at n=9A091353