475392840domain: NAppears in sequencesTriangle 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=41A177250Number of permutations of [n] having exactly one adjacent 3-cycle.at n=14A370525