Triangle read by columns: Distinct classifications of N elements containing exactly R binary partitions.
A171872
Triangle read by columns: Distinct classifications of N elements containing exactly R binary partitions.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =2a(8) =3a(9) =3a(10) =1a(11) =1a(12) =0a(13) =3a(14) =17a(15) =36a(16) =60a(17) =56a(18) =50a(19) =27a(20) =19a(21) =6a(22) =4a(23) =1a(24) =1a(25) =0a(26) =6a(27) =74a(28) =573a(29) =2802
External references
- oeis: A171872