Maximal number of coalescent histories among non-matching pairs consisting of a caterpillar gene tree and a caterpillar species tree with n+2 leaves.

A306295

Maximal number of coalescent histories among non-matching pairs consisting of a caterpillar gene tree and a caterpillar species tree with n+2 leaves.

Terms

    a(0) =1a(1) =3a(2) =10a(3) =32a(4) =107a(5) =359a(6) =1234a(7) =4274a(8) =15032a(9) =53242a(10) =190588a(11) =686272a(12) =2490399a(13) =9081375a(14) =33312770a(15) =122692130a(16) =453999656a(17) =1685601038a(18) =6282014804a(19) =23478897364a(20) =88026769844a(21) =330831420218

External references