BII-numbers of set partitions with at least two blocks.

Terms

a(0) =3a(1) =9a(2) =10a(3) =11a(4) =12a(5) =18a(6) =33a(7) =129a(8) =130a(9) =131a(10) =132a(11) =136a(12) =137a(13) =138a(14) =139a(15) =140a(16) =144a(17) =146a(18) =160a(19) =161a(20) =192a(21) =258a(22) =264a(23) =266a(24) =288a(25) =513a(26) =520a(27) =521a(28) =528a(29) =1032