Number of -n..n arrays x(0..6) of 7 elements with zero sum and no two consecutive zero elements.

A199534

Number of -n..n arrays x(0..6) of 7 elements with zero sum and no two consecutive zero elements.

Terms

    a(0) =200a(1) =6346a(2) =53302a(3) =252154a(4) =860854a(5) =2378412a(6) =5662636a(7) =12071420a(8) =23627580a(9) =43207238a(10) =74751754a(11) =123503206a(12) =196263418a(13) =301676536a(14) =450535152a(15) =656109976a(16) =934503056a(17) =1305024546a(18) =1790593022a(19) =2418159346a(20) =3219154078a(21) =4229958436a(22) =5492398804

External references