Number of length 5+3 0..n arrays with no pair in any consecutive four terms totalling exactly n.

A246484

Number of length 5+3 0..n arrays with no pair in any consecutive four terms totalling exactly n.

Terms

    a(0) =2a(1) =38a(2) =1420a(3) =11020a(4) =92478a(5) =415650a(6) =1756472a(7) =5497304a(8) =16089370a(9) =39798430a(10) =93260292a(11) =196688868a(12) =397729430a(13) =748819610a(14) =1364059888a(15) =2360459440a(16) =3978481842a(17) =6452033814a(18) =10241689340a(19) =15777507260a(20) =23878671982a(21) =35285572498a(22) =51371705640

External references