Number of imperfect staircase polygons counted by half-perimeter.
A173413
Number of imperfect staircase polygons counted by half-perimeter.
Terms
- a(0) =1a(1) =6a(2) =29a(3) =130a(4) =561a(5) =2368a(6) =9855a(7) =40622a(8) =166303a(9) =677420a(10) =2748952a(11) =11122504a(12) =44898891a(13) =180912196a(14) =727866627a(15) =2924860426a(16) =11741400147a(17) =47094376488a(18) =188760540056a(19) =756125505044
External references
- oeis: A173413