Number of length n 1..(6+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.

A254216

Number of length n 1..(6+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.

Terms

    a(0) =4a(1) =8a(2) =32a(3) =96a(4) =373a(5) =1472a(6) =6490a(7) =28190a(8) =109811a(9) =428042a(10) =1877657a(11) =8933652a(12) =41803166a(13) =184319728a(14) =792231146a(15) =3584762414a(16) =17422197427a(17) =85469221254a(18) =398370084189

External references