Number of series-reduced rooted trees whose leaves are constant integer partitions whose multiset union is an integer partition of n.

A320174

Number of series-reduced rooted trees whose leaves are constant integer partitions whose multiset union is an integer partition of n.

Terms

    a(0) =1a(1) =3a(2) =6a(3) =19a(4) =55a(5) =200a(6) =713a(7) =2740a(8) =10651a(9) =42637a(10) =173012a(11) =713280a(12) =2972389a(13) =12514188a(14) =53119400a(15) =227140464a(16) =977382586a(17) =4229274235a(18) =18391269922a(19) =80330516578a(20) =352269725526

External references