a(n) is the total area of all self-avoiding polygons of length 2n on the square lattice.
A056625
a(n) is the total area of all self-avoiding polygons of length 2n on the square lattice.
Terms
- a(0) =1a(1) =4a(2) =22a(3) =124a(4) =726a(5) =4352a(6) =26614a(7) =165204a(8) =1037672a(9) =6580424a(10) =42062040a(11) =270661328a(12) =1751614248a(13) =11391756176a(14) =74406502814a(15) =487838450116
External references
- oeis: A056625