Number of non-isomorphic set multipartitions (multisets of sets) of weight n with empty intersection.
A319748
Number of non-isomorphic set multipartitions (multisets of sets) of weight n with empty intersection.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =3a(4) =10a(5) =25a(6) =72a(7) =182a(8) =502a(9) =1332a(10) =3720a(11) =10380a(12) =30142a(13) =88842a(14) =270569a(15) =842957a(16) =2703060a(17) =8885029a(18) =29990388a(19) =103743388a(20) =367811233a(21) =1334925589a(22) =4957151327a(23) =18817501736a(24) =72972267232a(25) =288863499000
External references
- oeis: A319748