Number of digital images in Z^2 with 4-adjacency on n points up to isomorphism.
A255539
Number of digital images in Z^2 with 4-adjacency on n points up to isomorphism.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =4a(5) =10a(6) =19a(7) =51a(8) =112a(9) =300a(10) =746a(11) =2042a(12) =5450a(13) =15197a(14) =42192a(15) =119561a(16) =339594
External references
- oeis: A255539