Irregular triangle read by rows: T(n,k) is the number of identity trees with n nodes and maximal branching factor k.

A244523

Irregular triangle read by rows: T(n,k) is the number of identity trees with n nodes and maximal branching factor k.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =0a(6) =1a(7) =1a(8) =0a(9) =1a(10) =2a(11) =0a(12) =1a(13) =5a(14) =0a(15) =1a(16) =10a(17) =1a(18) =0a(19) =1a(20) =21a(21) =3a(22) =0a(23) =1a(24) =42a(25) =9a(26) =0a(27) =1a(28) =87a(29) =25

External references