A174251 Number of tilings of a 7 X n rectangle with n heptominoes of any shape.
1, 1, 7, 259, 9525, 270827, 6633399, 158753814, 3825111851, 96608374284, 2446223788303
Offset: 0
Links
- R. S. Harris, Counting Nonomino Tilings and Other Things of that Ilk, G4G9 Gift Exchange book, 2010.
- R. S. Harris, Counting Polyomino Tilings