Difference between the numbers of trees on n vertices with an even number and an odd number of leaves.

A262395

Difference between the numbers of trees on n vertices with an even number and an odd number of leaves.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =1a(4) =0a(5) =1a(6) =1a(7) =3a(8) =2a(9) =5a(10) =5a(11) =13a(12) =13a(13) =29a(14) =32a(15) =71a(16) =81a(17) =177a(18) =209a(19) =449a(20) =538a(21) =1148a(22) =1415a(23) =3002a(24) =3736a(25) =7862a(26) =9930a(27) =20877a(28) =26648a(29) =55756

External references