3438673domain: NAppears in sequencesNumber of functions f: {1,2,...,n} -> {1,2,...,n} with even cycles only.at n=8A060435Number T(n,k) of endofunctions on [n] whose cycle lengths are multiples of k; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows.at n=38A246609