Numbers k such that 3^k + k^3 - 1 is prime.

Terms

a(0) =1a(1) =3a(2) =5a(3) =9a(4) =65a(5) =71a(6) =225a(7) =269a(8) =651a(9) =843a(10) =1971a(11) =4851a(12) =13667a(13) =13961a(14) =33309a(15) =168111