200448
domain: N
Appears in sequences
- Expansion of 8 * (eta(q^2) / eta(q)^2)^8 in powers of q.at n=5A105094
- Number of cyclic arrangements (up to direction) of numbers 1,2,...,n such that any two neighbors are coprime.at n=13A242529
- Number of cyclic arrangements of S={1,2,...,2n} such that the difference of any two neighbors is coprime to their sum.at n=6A242533