A322501 Number of tilings of an 8 X n rectangle using V (2m+1)-ominoes (m >= 0) in standard orientation.

1, 1, 34, 621, 10687, 181615, 3086898, 52338705, 888837716, 15029968375, 254605651987, 4312608660046, 73048456842772, 1237312902210617, 20957926357019583, 354990566329457044, 6012925190578975735, 101848368521145389471, 1725133116479186659346

Offset: 0

Author

Alois P. Heinz, Dec 12 2018

Keywords

• nonn

Comments

The shapes of the tiles are:

._.

._. | |

._. | | | |

.. | |. | |.. | |.._.

|| |__| |___| |_____| ... .

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..500
• Wikipedia, Polyomino

Crossrefs

Column k=8 of A322494.