Number of Q graphs with 2*n vertices rooted at an internal edge.

A294724

Number of Q graphs with 2*n vertices rooted at an internal edge.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =11a(5) =96a(6) =785a(7) =6283a(8) =49987a(9) =397768a(10) =3174084a(11) =25426290a(12) =204538114a(13) =1652327820a(14) =13402442651a(15) =109129475455a(16) =891793354235

External references