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

A247400

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

Terms

    a(0) =760a(1) =1544a(2) =3200a(3) =6752a(4) =14456a(5) =31240a(6) =69976a(7) =158392a(8) =359320a(9) =812952a(10) =1829160a(11) =4143352a(12) =9440664a(13) =21556600a(14) =49120856a(15) =111398648a(16) =252748504a(17) =575187704a(18) =1311886744a(19) =2991128696a(20) =6801264184a(21) =15449413384a(22) =35134365976a(23) =80031107576

External references