Numbers k such that 3^k - k^3 is prime.

Terms

a(0) =1a(1) =4a(2) =10a(3) =52a(4) =112a(5) =212a(6) =346a(7) =406a(8) =512a(9) =13904a(10) =76610a(11) =89746a(12) =114892