Triangle read by rows: T(n,k) is the number of oriented graphs on n labeled nodes with k arcs, n >= 0, k = 0..n*(n-1)/2.
A350749
Triangle read by rows: T(n,k) is the number of oriented graphs on n labeled nodes with k arcs, n >= 0, k = 0..n*(n-1)/2.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =6a(6) =12a(7) =8a(8) =1a(9) =12a(10) =60a(11) =160a(12) =240a(13) =192a(14) =64a(15) =1a(16) =20a(17) =180a(18) =960a(19) =3360a(20) =8064a(21) =13440a(22) =15360a(23) =11520a(24) =5120a(25) =1024a(26) =1a(27) =30a(28) =420a(29) =3640
External references
- oeis: A350749