Number of length 7+5 0..n arrays with no six consecutive terms having the maximum of any three terms equal to the minimum of the remaining three terms.

A250021

Number of length 7+5 0..n arrays with no six consecutive terms having the maximum of any three terms equal to the minimum of the remaining three terms.

Terms

    a(0) =20a(1) =9090a(2) =651144a(3) =16813550a(4) =226419876a(5) =1956551556a(6) =12294501768a(7) =60858118860a(8) =250423174860a(9) =889518620342

External references