Number of length n+4 0..2 arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.
A254692
Number of length n+4 0..2 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) =133a(1) =267a(2) =552a(3) =1140a(4) =2310a(5) =4542a(6) =9106a(7) =18498a(8) =37742a(9) =77010a(10) =156546a(11) =318427a(12) =649407a(13) =1326877a(14) =2713484a(15) =5550992a(16) =11360343a(17) =23266909a(18) =47691587a(19) =97820467a(20) =200754359a(21) =412222139a(22) =846895302a(23) =1740851986a(24) =3580251228a(25) =7366679989a(26) =15164514943
External references
- oeis: A254692