Number A(n,k) of k-uniform hypergraphs on n unlabeled nodes; square array A(n,k), n>=0, k>=0, read by antidiagonals.
A309858
Number A(n,k) of k-uniform hypergraphs on n unlabeled nodes; square array A(n,k), n>=0, k>=0, read by antidiagonals.
Terms
- a(0) =2a(1) =1a(2) =2a(3) =1a(4) =2a(5) =2a(6) =1a(7) =1a(8) =3a(9) =2a(10) =1a(11) =1a(12) =2a(13) =4a(14) =2a(15) =1a(16) =1a(17) =1a(18) =4a(19) =5a(20) =2a(21) =1a(22) =1a(23) =1a(24) =2a(25) =11a(26) =6a(27) =2a(28) =1a(29) =1
External references
- oeis: A309858