T(n,k)=Number of length n+6 0..k arrays with no seven consecutive terms having the maximum of any two terms equal to the minimum of the remaining five terms.

A250059

T(n,k)=Number of length n+6 0..k arrays with no seven consecutive terms having the maximum of any two terms equal to the minimum of the remaining five terms.

Terms

    a(0) =21a(1) =735a(2) =21a(3) =7224a(4) =1299a(5) =21a(6) =40320a(7) =18966a(8) =2292a(9) =21a(10) =160545a(11) =142170a(12) =50028a(13) =4030a(14) =21a(15) =509691a(16) =715155a(17) =505154a(18) =132054a(19) =7054a(20) =21a(21) =1375080a(22) =2753061a(23) =3213429a(24) =1800040a(25) =348066a(26) =12284a(27) =21a(28) =3281544a(29) =8746524

External references