Number of initial spin configurations in two-colored rooted trees with n nodes.
A198760
Number of initial spin configurations in two-colored rooted trees with n nodes.
Terms
- a(0) =2a(1) =8a(2) =32a(3) =136a(4) =596a(5) =2712a(6) =12642a(7) =60234a(8) =291840a(9) =1434184a(10) =7130640a(11) =35807114a(12) =181339236a(13) =925139186a(14) =4750176056a(15) =24528421712a(16) =127294780994a(17) =663591911824
External references
- oeis: A198760