Number of ways to tile a 2 X n strip with squares, dominoes, and (straight and bent) trominoes.
A387619
Number of ways to tile a 2 X n strip with squares, dominoes, and (straight and bent) trominoes.
Terms
- a(0) =1a(1) =2a(2) =11a(3) =51a(4) =235a(5) =1092a(6) =5064a(7) =23489a(8) =108954a(9) =505377a(10) =2344171a(11) =10873339a(12) =50435526a(13) =233943074a(14) =1085135139a(15) =5033353844a(16) =23347000765a(17) =108294084141a(18) =502317568673
External references
- oeis: A387619