189702domain: NAppears in sequencesThird column (m=4) of array A090452.at n=35A090453Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (1, -1, -1), (1, 1, 0)}.at n=12A148566Expansion of e.g.f. Sum_{k>=1} prime(k)*(exp(x) - 1)^k/k!.at n=8A307771