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

A254212

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

Terms

    a(0) =2a(1) =0a(2) =1a(3) =2a(4) =2a(5) =2a(6) =2a(7) =2a(8) =5a(9) =4a(10) =5a(11) =8a(12) =31a(13) =64a(14) =83a(15) =66a(16) =60a(17) =104a(18) =158a(19) =240a(20) =846a(21) =2990a(22) =6296a(23) =8440a(24) =10213a(25) =14034a(26) =16843a(27) =15538a(28) =20339a(29) =57766

External references