Number of -n..n arrays x(0..6) of 7 elements with zero sum and no element more than one greater than the previous.

A199851

Number of -n..n arrays x(0..6) of 7 elements with zero sum and no element more than one greater than the previous.

Terms

    a(0) =153a(1) =575a(2) =1393a(3) =2958a(4) =5754a(5) =10426a(6) =17879a(7) =29268a(8) =46126a(9) =70322a(10) =104253a(11) =150764a(12) =213380a(13) =296204a(14) =404213a(15) =543086a(16) =719592a(17) =941366a(18) =1217343a(19) =1557506a(20) =1973400a(21) =2477778a(22) =3085247a(23) =3811830a(24) =4675676a(25) =5696580a(26) =6896795a(27) =8300422a(28) =9934376

External references