Number of simple quasi series-parallel matroids on [n].
A361354
Number of simple quasi series-parallel matroids on [n].
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =32a(5) =218a(6) =2060a(7) =23054a(8) =314242a(9) =4897410a(10) =87427276a(11) =1741312444a(12) =38482278928a(13) =931618115860
External references
- oeis: A361354