Triangle read by rows: T(n,m) = number of unlabeled cographs on n nodes with m connected components.

A106240

Triangle read by rows: T(n,m) = number of unlabeled cographs on n nodes with m connected components.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =1a(6) =5a(7) =3a(8) =1a(9) =1a(10) =12a(11) =7a(12) =3a(13) =1a(14) =1a(15) =33a(16) =20a(17) =8a(18) =3a(19) =1a(20) =1a(21) =90a(22) =55a(23) =22a(24) =8a(25) =3a(26) =1a(27) =1a(28) =261a(29) =162

External references