Triangle read by rows: T(n,k) is the number of simple connected graphs on n unlabeled nodes with cooling number k = 1..(1+floor(n/2)).

A369280

Triangle read by rows: T(n,k) is the number of simple connected graphs on n unlabeled nodes with cooling number k = 1..(1+floor(n/2)).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =0a(6) =3a(7) =3a(8) =0a(9) =3a(10) =18a(11) =0a(12) =4a(13) =97a(14) =11a(15) =0a(16) =4a(17) =655a(18) =194a(19) =0a(20) =5a(21) =7599a(22) =3469a(23) =44a(24) =0a(25) =5a(26) =169013a(27) =90529a(28) =1533a(29) =0

External references