Number of length n+3 0..5 arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.
A249704
Number of length n+3 0..5 arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.
Terms
- a(0) =366a(1) =966a(2) =2524a(3) =6172a(4) =13666a(5) =32500a(6) =80360a(7) =198164a(8) =474302a(9) =1140694a(10) =2782978a(11) =6829394a(12) =16652268a(13) =40525818a(14) =98972744a(15) =242571962a(16) =594328514a(17) =1454961448a(18) =3564476384a(19) =8746203338a(20) =21475833432a(21) =52737244176a(22) =129543959312a(23) =318439317418
External references
- oeis: A249704