Triangle read by rows: T(n,k) = number of column-convex polyominoes with perimeter n and k columns (1 <= k <= n).
A259332
Triangle read by rows: T(n,k) = number of column-convex polyominoes with perimeter n and k columns (1 <= k <= n).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =6a(5) =5a(6) =1a(7) =12a(8) =27a(9) =14a(10) =1a(11) =20a(12) =85a(13) =112a(14) =42a(15) =1a(16) =30a(17) =205a(18) =492a(19) =450a(20) =132a(21) =1a(22) =42a(23) =420a(24) =1582a(25) =2565a(26) =1782a(27) =429a(28) =1a(29) =56
External references
- oeis: A259332