Number of length n+5 0..4 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.

A249229

Number of length n+5 0..4 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.

Terms

    a(0) =10620a(1) =36880a(2) =128436a(3) =448148a(4) =1566052a(5) =5479172a(6) =19188990a(7) =67392884a(8) =236812732a(9) =832339890a(10) =2925863658a(11) =10285884920a(12) =36163850136a(13) =127208446490a(14) =447538047006

External references