A328020 Number of distinct tilings of an n X n square with free n-polyominoes.
1, 1, 2, 22, 515, 56734, 19846102, 23437350133
Offset: 1
Links
- Jeff Bowermaster, Illustration of a(1)..a(4)
- Jeff Bowermaster, Illustration of a(5)
- Code Golf Stack Exchange, Number of distinct tilings of an n X n square with free n-polyominoes
Extensions
a(7) from Peter Kagey, Oct 10 2019, based on the Stack Exchange link.
a(8) from Christian Sievers, Oct 13 2019, based on the Stack Exchange link.