Table read by rows: n-th row lists odd composites c such that Q + c is prime, where Q is the n-th primorial and c < prime(n+1)*prime(n+2).

A245694

Table read by rows: n-th row lists odd composites c such that Q + c is prime, where Q is the n-th primorial and c < prime(n+1)*prime(n+2).

Terms

    a(0) =9a(1) =25a(2) =49a(3) =121a(4) =289a(5) =1849a(6) =5041a(7) =11881a(8) =32761a(9) =109561a(10) =196249a(11) =6466849a(12) =9369721a(13) =30283009a(14) =52374169a(15) =72880369a(16) =1000267129

External references