Triangle T(n,k), n>=1, read by rows, where T(n,k) is the number of lattice polygons with area n and perimeter 2*k.
A008855
Triangle T(n,k), n>=1, read by rows, where T(n,k) is the number of lattice polygons with area n and perimeter 2*k.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =1a(4) =18a(5) =8a(6) =55a(7) =2a(8) =40a(9) =174a(10) =22a(11) =168a(12) =566a(13) =6a(14) =134a(15) =676a(16) =1868a(17) =1a(18) =72a(19) =656a(20) =2672a(21) =6237a(22) =30a(23) =482a(24) =2992a(25) =10376a(26) =21050a(27) =8a(28) =310a(29) =2592
External references
- oeis: A008855