Number of tilings of a 7 X n rectangle using right trominoes and 2 X 2 tiles.
A219948
Number of tilings of a 7 X n rectangle using right trominoes and 2 X 2 tiles.
Terms
- a(0) =1a(1) =0a(2) =6a(3) =0a(4) =92a(5) =0a(6) =2376a(7) =5504a(8) =71248a(9) =253952a(10) =2175992a(11) =10140032a(12) =72393152a(13) =377186688a(14) =2462850896a(15) =13696293888a(16) =85330361248a(17) =489397951936
External references
- oeis: A219948