42642
domain: N
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, -1), (-1, -1, 0), (-1, 1, -1), (0, 1, 0), (1, 0, 1)}.at n=9A149993
- a(n) = (7*n + 3)*(7*n + 4).at n=29A177071
- Number of -n..n arrays x(0..2) of 3 elements with nonzero sum and with zero through 2 differences all nonzero.at n=17A200166
- a(n) = 81*n^2 - 9*n.at n=23A277991