a(n) is the first number k such that there are exactly n primes of the form k + A - B where A and B are sums of subsets of the prime factors of k.

A345316

a(n) is the first number k such that there are exactly n primes of the form k + A - B where A and B are sums of subsets of the prime factors of k.

Terms

    a(0) =1a(1) =2a(2) =39a(3) =20a(4) =6a(5) =10a(6) =105a(7) =285a(8) =165a(9) =615a(10) =570a(11) =1482a(12) =1596a(13) =2706a(14) =3885a(15) =14790a(16) =19470a(17) =24090a(18) =19425a(19) =33630a(20) =33558a(21) =80178a(22) =134178a(23) =115878a(24) =151662a(25) =428090a(26) =418938a(27) =631470a(28) =672105a(29) =1366530

External references