Number of non-isomorphic set-systems of weight n in which all parts have the same size.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =2a(6) =10a(7) =2a(8) =17a(9) =14a(10) =33a(11) =2a(12) =167a(13) =2a(14) =186a(15) =491a(16) =785a(17) =2a(18) =5839a(19) =2a(20) =11123a(21) =53454a(22) =15229a(23) =2a(24) =1102924a(25) =53537a(26) =193382a(27) =16334183a(28) =12411062a(29) =2