Numbers k such that k^3 +/- k +/- 1 are prime for all four possibilities.

Terms

a(0) =15a(1) =21a(2) =15375a(3) =25164a(4) =53361a(5) =95190a(6) =110685a(7) =115140a(8) =133701a(9) =139425a(10) =140430a(11) =140844a(12) =189336a(13) =217686a(14) =220650a(15) =266916a(16) =272469a(17) =289341a(18) =344880a(19) =364665a(20) =377805a(21) =382221a(22) =390270a(23) =415779a(24) =454905a(25) =539700a(26) =561186a(27) =567645a(28) =575799a(29) =584430