54146
domain: N
Appears in sequences
- a(n) = 4 + 8*n + 10*n^2 + 4*n^3.at n=23A100207
- 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, 0, 0), (-1, 1, 1), (0, -1, 0), (0, 1, -1), (1, 0, 0)}.at n=10A148710
- a(n) is the smallest number which is the sum of two positive n-gonal numbers in more than one way.at n=25A199809