131934
domain: N
Appears in sequences
- Numbers k such that sum of 9th powers of divisors of k is divisible by the square of Euler-phi of k.at n=13A094468
- 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, 0, 1), (-1, 1, 0), (0, 0, 1), (1, 0, -1)}.at n=12A148291