Number of unsensed combinatorial maps with n edges on an orientable surface of any genus.
A214816
Number of unsensed combinatorial maps with n edges on an orientable surface of any genus.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =20a(4) =96a(5) =644a(6) =5839a(7) =67834a(8) =970568a(9) =16256556a(10) =308620966a(11) =6506035400a(12) =150358570914
External references
- oeis: A214816