226422
domain: N
Appears in sequences
- Let s denote the sum of the abundant numbers in the aliquot parts of x. Sequence lists numbers x such that sigma(s) = usigma(x), where usigma(x) is the sum of the unitary divisors of x (A034448).at n=31A258135
- Number of pairwise coprime compositions of n, where a singleton is not considered coprime unless it is (1).at n=29A337462