84781

Appears in sequences

• Expansion of 1/((1-3x)(1-5x)(1-6x)(1-12x)).at n=4A028058
• 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, 1, -1), (0, 0, 1), (1, -1, 0), (1, 1, 0)}.at n=9A150141
• Breadth-first reading of the subtree rooted at 7 of the tree where each parent node is the arithmetic derivative (A003415) of all its children.at n=52A327977