Sum of the bottom levels of all columns in all deco polyominoes of height n. A deco polyomino is a directed column-convex polyomino in which the height, measured along the diagonal, is attained only in the last column.
A122105
Sum of the bottom levels of all columns in all deco polyominoes of height n. A deco polyomino is a directed column-convex polyomino in which the height, measured along the diagonal, is attained only in the last column.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =11a(5) =101a(6) =932a(7) =9080a(8) =94852a(9) =1066644a(10) =12905784a(11) =167622984a(12) =2330016768a(13) =34551794304a(14) =544873631616
External references
- oeis: A122105