Number of length 5+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.

A249661

Number of length 5+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.

Terms

    a(0) =2a(1) =53a(2) =164a(3) =485a(4) =1858a(5) =4877a(6) =12108a(7) =26269a(8) =48120a(9) =85863a(10) =137008a(11) =207153a(12) =301826a(13) =428059a(14) =603620a(15) =827265a(16) =1100658a(17) =1433863a(18) =1835248a(19) =2358199a(20) =2972906a(21) =3690145a(22) =4524776a(23) =5489583a(24) =6646490a(25) =7959243a(26) =9443456a(27) =11122729a(28) =12996902a(29) =15168183

External references