Number of length 6+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.

A248993

Number of length 6+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.

Terms

    a(0) =2a(1) =53a(2) =204a(3) =585a(4) =3606a(5) =18737a(6) =51166a(7) =118685a(8) =214530a(9) =452471a(10) =819664a(11) =1457951a(12) =2322068a(13) =3606075a(14) =5552828a(15) =8435185a(16) =12070626a(17) =16889399a(18) =22604370a(19) =30828023a(20) =40644920a(21) =53118537a(22) =67488086a(23) =85033849a(24) =106229450a(25) =132318767a(26) =161530092

External references