62240domain: NAppears in sequencesNumbers such that the sum of divisors divides the concatenation (in ascending order) of divisors.at n=21A308486Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 2, 2, ..., n, n] into k nonempty submultisets, for 1 <= k <= 2n.at n=35A358710