Number of non-crossing plants in the (n+1)-sided regular polygon (contains non-crossing trees).
A121873
Number of non-crossing plants in the (n+1)-sided regular polygon (contains non-crossing trees).
Terms
- a(0) =1a(1) =3a(2) =14a(3) =80a(4) =510a(5) =3479a(6) =24848a(7) =183465a(8) =1389090a(9) =10726452a(10) =84150858a(11) =668825768a(12) =5373971036a(13) =43580383095a(14) =356234802952
External references
- oeis: A121873