41805domain: NAppears in sequencesNumber of partitions of n if there are two kinds of 1, two kinds of 2 and two kinds of 3.at n=25A000098Cluster series for honeycomb.at n=21A003204A transform of the Jacobsthal numbers.at n=23A099508Number of partitions p of n such that median(p) >= multiplicity(max(p)).at n=41A240211