Number of length n+4 0..5 arrays with no disjoint pairs in any consecutive five terms having the same sum.

A247401

Number of length n+4 0..5 arrays with no disjoint pairs in any consecutive five terms having the same sum.

Terms

    a(0) =2280a(1) =6216a(2) =17164a(3) =47592a(4) =132368a(5) =369064a(6) =1044356a(7) =2970580a(8) =8447400a(9) =23975404a(10) =67940424a(11) =192942140a(12) =548911244a(13) =1562207084a(14) =4443125192a(15) =12626504968a(16) =35888101452a(17) =102057845464a(18) =290313824400a(19) =825748710168

External references