357900
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) is the number of permutations of [n] having k adjacent 3-cycles (0 <= k <= floor(n/3)), i.e., having k cycles of the form (i, i+1, i+2).at n=27A177250
- Number of permutations of [n] having exactly one adjacent 3-cycle.at n=11A370525
- Triangle read by rows: T(n,k) = number of permutations of [n] having exactly one adjacent k-cycle. (n>=1, 1<=k<=n).at n=57A370527