28361

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, -1), (-1, 1, 1), (1, 0, 0), (1, 0, 1)}.at n=8A150321
• Number of planar n X n X n binary triangular grids with no more than 4 ones in any similarly oriented 5 X 5 X 5 subtriangle.at n=6A153566
• n such that the sum of digit !! of n equals the sum of d|n, 1<d<n.at n=2A202242
• Numbers k such that the coefficient of x^k in the expansion of Product_{j>=1} (1 - x^j)^5 is zero.at n=33A302057
• Number of 5-element subsets of [n] whose sum is a triangular number.at n=31A320851