40491domain: NAppears in sequencesFixed points of permutation A071661/A071662.at n=41A126312Binomial transform of A166242.at n=13A166452Volume of Johnson square pyramid placed upright on cube (rounded down) with edge lengths equal to n.at n=31A227221Numbers k such that 89*10^k - 7 is prime.at n=23A283186