Number of fault-free tilings of a 4 X 3n rectangle with right trominoes.
A084477
Number of fault-free tilings of a 4 X 3n rectangle with right trominoes.
Terms
- a(0) =4a(1) =2a(2) =8a(3) =48a(4) =288a(5) =1728a(6) =10368a(7) =62208a(8) =373248a(9) =2239488a(10) =13436928a(11) =80621568a(12) =483729408a(13) =2902376448a(14) =17414258688a(15) =104485552128a(16) =626913312768
External references
- oeis: A084477