Number of equivalence classes of lattice polygons contained in a square of side length n but not in a square of side length n-1.
A374975
Number of equivalence classes of lattice polygons contained in a square of side length n but not in a square of side length n-1.
Terms
- a(0) =2a(1) =15a(2) =131a(3) =1369a(4) =13842a(5) =129185a(6) =1104895a(7) =8750964a(8) =64714465a(9) =450686225a(10) =2976189422
External references
- oeis: A374975