947700domain: NAppears in sequencesa(n) = (n+1)^3*(n+2)^2*(n+5).at n=8A109116a(1) = 1, a(n+1) = a(n)/T(n+1), if T(n+1) divides a(n), else a(n+1) = a(n) *T(n+1), where T(n) = n*(n+1)/2 is a triangular number (A000217).at n=11A111465a(n) = n^3*(n^2 + 1)/2.at n=18A168178a(n) = 2*n*binomial(n, 4).at n=26A391978