531117domain: NAppears in sequencesa(n) = (6*n+1)*(6*n+3)*(6*n+5).at n=13A001520a(n) = (4*n+3)*(4*n+5)*(4*n+7).at n=19A133767S_7 sequence in partition of integers > 1 described in A240521.at n=26A240524