Number of ways of embedding a connected graph with n edges in the square lattice.
A019988
Number of ways of embedding a connected graph with n edges in the square lattice.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =16a(4) =55a(5) =222a(6) =950a(7) =4265a(8) =19591a(9) =91678a(10) =434005a(11) =2073783a(12) =9979772a(13) =48315186a(14) =235088794a(15) =1148891118a(16) =5636168859a(17) =27743309673
External references
- oeis: A019988