A374794 Number of deco polyominoes of height 2n and vertical height n.

1, 1, 10, 216, 8181, 489753, 43073059, 5251140144, 847811871333, 175006259417547, 44939475107574752, 14046429669829943012, 5249989348656458769520, 2312011774544840687484876, 1184766852578716585055014620, 698927709348312453031204116720

Offset: 0

Author

Alois P. Heinz, Jul 20 2024

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..232
• Elena Barcucci, Sara Brunetti and Francesco Del Ristoro, Succession rules and deco polyominoes, Theoret. Informatics Appl., 34, 2000, 1-14.
• Elena Barcucci, Alberto Del Lungo, and Renzo Pinzani, "Deco" polyominoes, permutations and random generation, Theoretical Computer Science, 159, 1996, 29-42.

Crossrefs

Cf. A121692.

Formula

a(n) = A121692(2n,n).