Triangle read by rows of generalized ménage numbers: T(n,k) is the number of permutations pi in S_n such that pi(i) != i and pi(i) != i+k (mod n) for all i; n, 1 <= k < n.

A354408

Triangle read by rows of generalized ménage numbers: T(n,k) is the number of permutations pi in S_n such that pi(i) != i and pi(i) != i+k (mod n) for all i; n, 1 <= k < n.