Number of length n+4 0..4 arrays with no five consecutive terms having the maximum of any two terms equal to the minimum of the remaining three terms.
A249840
Number of length n+4 0..4 arrays with no five consecutive terms having the maximum of any two terms equal to the minimum of the remaining three terms.
Terms
- a(0) =1920a(1) =6916a(2) =25206a(3) =92190a(4) =337396a(5) =1234328a(6) =4527441a(7) =16609691a(8) =60928967a(9) =223459265a(10) =819367574a(11) =3005369679a(12) =11024516408a(13) =40441065859a(14) =148341013705a(15) =544086364806
External references
- oeis: A249840