661375

Appears in sequences

• G.f. A(x) satisfies A(A(A(..(A(x))..))) = B(x) (7th self-COMPOSE of A) such that the coefficients of B(x) consist only of numbers {1,2,3,..,7}, with B(0) = 0.at n=7A112115
• Number 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, 0), (0, 1, -1), (1, -1, 1), (1, 1, 0)}.at n=11A149210