74513
domain: N
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 23.at n=16A031611
- Numbers k such that exactly three d in the range d <= k/2 exist which divide binomial(k-d-1,d-1) and which are not coprime to k.at n=25A178099
- Sequence of pairwise relatively prime numbers of class P_4 (see comment in A275246).at n=28A275248
- Expansion of e.g.f. exp(1 - cos(x) + sin(x)).at n=12A352377