24899

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), (0, 1, -1), (1, -1, 1), (1, 1, 1)}.at n=8A149707
• a(n) = (1/2)*((n+2)*P(n-1)+(5*n+1)*P(n)) where P() = A000129 are the Pell numbers.at n=8A187915
• Number of 3-divided binary sequences (or words) of length n.at n=14A210109
• a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero dodecahedral numbers in exactly n ways, or -1 if no such integer exists.at n=7A360216