A269958 Number of tilings of an 8 X 3n rectangle using 8n trominoes of any shape.
1, 1173, 5271923, 30860212081, 193553900967497, 1235348565576072999, 7918615596845276941783, 50812059004074711375396005, 326133836808482000144440191279, 2093399184722452211913343015136793, 13437387174568575272118729720355720407
Offset: 0
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 0..262
- Wikipedia, Tromino
Crossrefs
Trisection of column k=8 of A233320.