Number of bipartite partitions.

Terms

a(0) =5a(1) =12a(2) =28a(3) =54a(4) =100a(5) =170a(6) =284a(7) =450a(8) =702a(9) =1062a(10) =1583a(11) =2308a(12) =3329a(13) =4720a(14) =6628a(15) =9190a(16) =12634a(17) =17189a(18) =23219a(19) =31092a(20) =41371a(21) =54651a(22) =71782a(23) =93695a(24) =121684a(25) =157169a(26) =202080a(27) =258579a(28) =329509a(29) =418096