A251075 Number of tilings of a 18 X n rectangle using 3n hexominoes of shape I.

1, 1, 1, 1, 1, 1, 43, 117, 229, 385, 591, 853, 5789, 17163, 40521, 84211, 160143, 284639, 945352, 2743255, 7017326, 16250983, 34801374, 69959957, 179843441, 479965811, 1238082783, 3015746329, 6925030997, 15065972891, 35869626723, 89673470947, 226122534275

Offset: 0

Author

Alois P. Heinz, Nov 29 2014

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..1000
• Wikipedia, Hexomino

Crossrefs

Column k=6 of A251072.

Cf. A250663.