Number of free polyominoes of size 2n for which there exists at least one closed path that passes through each square exactly once.
A361288
Number of free polyominoes of size 2n for which there exists at least one closed path that passes through each square exactly once.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =6a(4) =25a(5) =84a(6) =397a(7) =1855a(8) =9708a(9) =51684a(10) =286011a(11) =1609097a(12) =9222409a(13) =53543338a(14) =314612803
External references
- oeis: A361288