Number of unrooted n-edge maps in the plane (planar map with a distinguished outside face).
A103937
Number of unrooted n-edge maps in the plane (planar map with a distinguished outside face).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =26a(4) =150a(5) =1032a(6) =8074a(7) =67086a(8) =586752a(9) =5317226a(10) =49592424a(11) =473357994a(12) =4606116310a(13) =45554761836a(14) =456848968518
External references
- oeis: A103937