Number of length 1+4 0..n arrays with no disjoint pairs in any consecutive five terms having the same sum.

A247405

Number of length 1+4 0..n arrays with no disjoint pairs in any consecutive five terms having the same sum.

Terms

    a(0) =0a(1) =40a(2) =200a(3) =760a(4) =2280a(5) =5640a(6) =12120a(7) =23800a(8) =43040a(9) =73840a(10) =120240a(11) =188040a(12) =283680a(13) =415840a(14) =593240a(15) =827680a(16) =1131240a(17) =1519200a(18) =2007240a(19) =2614720a(20) =3361280a(21) =4271080a(22) =5368320a(23) =6681840a(24) =8241120a(25) =10080760a(26) =12235400a(27) =14745640a(28) =17652360a(29) =21002520

External references