Triangle read by rows: T(n,k) is the number of labeled quasi-threshold graphs on vertex set [n] with k components, for n >= 1 and 1 <= k <= n.
A350528
Triangle read by rows: T(n,k) is the number of labeled quasi-threshold graphs on vertex set [n] with k components, for n >= 1 and 1 <= k <= n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =3a(5) =1a(6) =23a(7) =19a(8) =6a(9) =1a(10) =181a(11) =155a(12) =55a(13) =10a(14) =1a(15) =1812a(16) =1591a(17) =600a(18) =125a(19) =15a(20) =1a(21) =22037a(22) =19705a(23) =7756a(24) =1750a(25) =245a(26) =21a(27) =1a(28) =315569a(29) =286091
External references
- oeis: A350528