Number of length n+4 0..7 arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.
A254697
Number of length n+4 0..7 arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.
Terms
- a(0) =8688a(1) =33048a(2) =126456a(3) =469376a(4) =1618264a(5) =4985336a(6) =17080712a(7) =60483408a(8) =214599288a(9) =752272724a(10) =2563107328a(11) =8854381384a(12) =31053941712a(13) =109232749860a(14) =383284939872
External references
- oeis: A254697