Indecomposable collections of multisets with a total of n objects having entries {1,2,...,k} for some k<=n or INVERTi transform of A255906.
A273396
Indecomposable collections of multisets with a total of n objects having entries {1,2,...,k} for some k<=n or INVERTi transform of A255906.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =9a(4) =39a(5) =201a(6) =1227a(7) =8305a(8) =61383a(9) =487761a(10) =4131819a(11) =37072361a(12) =350644047a(13) =3482957945a(14) =36220558835a(15) =393329507169
External references
- oeis: A273396