Integers for which the smallest k in A067760 such that n + 2^k is prime increases.
A263874
Integers for which the smallest k in A067760 such that n + 2^k is prime increases.
Terms
- a(0) =1a(1) =7a(2) =23a(3) =31a(4) =47a(5) =61a(6) =139a(7) =271a(8) =287a(9) =773a(10) =2131a(11) =40291
External references
- oeis: A263874