46353domain: NAppears in sequencesExpansion of (1+x)^(1/3)/(1+x-9*x^4)^(1/3).at n=20A098535Triangle read by rows: T(n,k) is the number of permutations of [n] that have k isolated entries (0 <= k <= n).at n=50A180196Number of rooted twice-partitions of n where the composite rooted partition is constant.at n=41A301760