112680
domain: N
Appears in sequences
- T(n,k) = Number of n-turn bishop's tours on a k X k board summed over all starting positions.at n=60A188777
- Number of 6-turn bishop's tours on an n X n board summed over all starting positions.at n=5A188781
- Number of rooted trees with n nodes having some subtrees replaced by cycles such that no leaf nodes are left over.at n=23A213682
- a(n) is the number of 2 X 2 matrices over the integers mod n that are invertible mod n for every permutation of their elements.at n=17A367926