Triangle read by rows: T(n,k) is the number of labeled loop-threshold graphs on vertex set [n] with k components, for n >= 1 and 1 <= k <= n.

A350531

Triangle read by rows: T(n,k) is the number of labeled loop-threshold graphs on vertex set [n] with k components, for n >= 1 and 1 <= k <= n.

Terms

    a(0) =2a(1) =3a(2) =3a(3) =13a(4) =9a(5) =4a(6) =75a(7) =52a(8) =18a(9) =5a(10) =541a(11) =375a(12) =130a(13) =30a(14) =6a(15) =4683a(16) =3246a(17) =1125a(18) =260a(19) =45a(20) =7a(21) =47293a(22) =32781a(23) =11361a(24) =2625a(25) =455a(26) =63a(27) =8a(28) =545835a(29) =378344

External references