315282domain: NAppears in sequencesa(n) = n*(n + 1)*(n^2 + n + 2)/4.at n=33A001621Coordination sequence for A_33 lattice.at n=2A035859Squarefree integers m > 1 such that if prime p divides m, then s_p(m) >= p and s_p(m) == 2 (mod p-1), where s_p(m) is the sum of the base p digits of m.at n=35A324404