Number of length n 1..(7+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.

A254217

Number of length n 1..(7+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.

Terms

    a(0) =5a(1) =12a(2) =48a(3) =168a(4) =766a(5) =3720a(6) =18214a(7) =81428a(8) =362910a(9) =1828848a(10) =9781293a(11) =49824190a(12) =241134125a(13) =1198202218a(14) =6489872942a(15) =36558663886a(16) =196996500006a(17) =982525116524

External references