354271domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber 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, 1, -1), (0, 0, 1), (0, 1, 0), (1, -1, 0)}.at n=11A149866Expansion of (1+11*x+24*x^2+11*x^3+x^4)/(1-x)^5.at n=20A294433Prime numbersat n=30316