58872domain: NAppears in sequencesQuadrinomial coefficients: C(2+n,n) + C(3+n,n) + C(4+n,n).at n=31A005718Numbers k such that (8*10^k + 67)/3 is prime.at n=23A281732p-INVERT of A016789, where p(S) = 1 - S - S^2.at n=6A289790