133650

Appears in sequences

• Denominators of generalized Bernoulli numbers.at n=9A006568
• 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, 0), (0, -1, 1), (0, 1, 1), (1, 1, 0)}.at n=9A150482
• A partition product of Stirling_1 type [parameter k = 2] with biggest-part statistic (triangle read by rows).at n=46A157392
• Numbers k such that k and uphi(k) have the same set of prime divisors, where uphi is the unitary totient function (A047994).at n=37A329859