85180095
domain: N
Appears in sequences
- Denominator of a-sequence for Sheffer triangle A060081.at n=60A176727
- a(n) is the least positive integer k such that 2^n-1 and k^n-1 are relatively prime.at n=59A260119
- From higher-order Bernoulli numbers: denominator of the D-number D2n(2n-1).at n=29A261272
- From higher-order Bernoulli numbers: denominator of D Number D2n(2n).at n=30A261274