86604

Appears in sequences

• 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), (-1, 1, -1), (0, -1, 1), (1, 1, 0)}.at n=10A149174
• Numbers k such that k^2 +- k +- 1 is prime for all four possibilities.at n=19A236056
• Number of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that the maximum of the node outdegrees equals four.at n=10A292230