The number of vertically fault-free domino tilings of the 5 X (2n) board.
A232621
The number of vertically fault-free domino tilings of the 5 X (2n) board.
Terms
- a(0) =1a(1) =8a(2) =31a(3) =175a(4) =1015a(5) =5911a(6) =34447a(7) =200767a(8) =1170151a(9) =6820135a(10) =39750655a(11) =231683791a(12) =1350352087a(13) =7870428727a(14) =45872220271a(15) =267362892895
External references
- oeis: A232621