Array read by antidiagonals: T(n,k) is the number of nonequivalent essentially parallel series-parallel networks with longest path of at most n edges and largest cut set of at most k edges.
A391485
Array read by antidiagonals: T(n,k) is the number of nonequivalent essentially parallel series-parallel networks with longest path of at most n edges and largest cut set of at most k edges.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =3a(4) =4a(5) =1a(6) =4a(7) =12a(8) =7a(9) =1a(10) =5a(11) =32a(12) =44a(13) =11a(14) =1a(15) =6a(16) =75a(17) =254a(18) =143a(19) =16a(20) =1a(21) =7a(22) =165a(23) =1277a(24) =1752a(25) =401a(26) =22a(27) =1a(28) =8a(29) =340
External references
- oeis: A391485