192237domain: NAppears in sequencesFibonacci sequence beginning 3, 9.at n=22A022379Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 0, 1), (1, 0, -1), (1, 1, 0)}.at n=9A150601a(n) = Sum_{k=1..n} floor(n/k)^k.at n=29A345176