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

A255710

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

Terms

    a(0) =2a(1) =2a(2) =4a(3) =6a(4) =8a(5) =14a(6) =19a(7) =33a(8) =69a(9) =162a(10) =325a(11) =616a(12) =1314a(13) =2874a(14) =6099a(15) =11780a(16) =21630a(17) =42778a(18) =95379a(19) =225424a(20) =532771a(21) =1184433a(22) =2434239a(23) =4904932a(24) =10213447a(25) =21612164a(26) =44580230a(27) =89065496a(28) =178617292a(29) =373380471

External references