Number of tree-rooted planar maps with n edges and no isthmuses.
A342988
Number of tree-rooted planar maps with n edges and no isthmuses.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =23a(4) =162a(5) =1292a(6) =11214a(7) =103497a(8) =1000810a(9) =10039100a(10) =103725188a(11) =1098151276a(12) =11866435816a(13) =130477138014
External references
- oeis: A342988