128883domain: NAppears in sequencesTerms in A061725 that are of form 3*prime.at n=21A133395Number 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, -1), (-1, -1, 1), (-1, 1, 0), (0, 0, -1), (1, 0, 1)}.at n=11A148679