202416
domain: N
Appears in sequences
- Number of permutations of 2 indistinguishable copies of 1..n arranged in a circle with exactly 2 local maxima.at n=4A159716
- Array read by antidiagonals: T(n,k) is the number of permutations of k indistinguishable copies of 1..n arranged in a circle with exactly 2 local maxima.at n=14A334772
- Triangle read by rows: T(n,k) is the number of permutations of 2 indistinguishable copies of 1..n arranged in a circle with exactly k local maxima.at n=23A334778