Smallest k such that prime(n)# - k and prime(n)# + k are primes, where prime(n)# = A002110(n).

Terms

a(0) =0a(1) =1a(2) =1a(3) =13a(4) =1a(5) =17a(6) =59a(7) =23a(8) =79a(9) =101a(10) =83a(11) =239a(12) =71a(13) =149a(14) =367a(15) =73a(16) =911a(17) =313a(18) =373a(19) =523a(20) =313a(21) =331a(22) =197a(23) =101a(24) =1493a(25) =523a(26) =293a(27) =577a(28) =2699a(29) =1481