86267
domain: N
Appears in sequences
- Numbers k such that Sum_{j=1..k} sigma_*(j) == 0 (mod k), where sigma_*(j) is the sum of the anti-divisors of j (A066417).at n=22A229883
- Number of length n+2 0..2 arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=8A252171
- Sequence of pairwise relatively prime numbers of class P_8 (see comment in A275246).at n=30A275253