Least number k such that k^n - k +/- 1 are twin primes, or 0 if no such k exists.

Terms

a(0) =3a(1) =2a(2) =6a(3) =2a(4) =4a(5) =30a(6) =0a(7) =27a(8) =4a(9) =9a(10) =109a(11) =14a(12) =0a(13) =70a(14) =58a(15) =208a(16) =12a(17) =65a(18) =0a(19) =172a(20) =1579a(21) =1639a(22) =585a(23) =208a(24) =0a(25) =494a(26) =505a(27) =79a(28) =3630a(29) =95