A245650Primes in the sequence 12*n - prime(n), (A245071).

31, 41, 59, 67, 101, 107, 139, 179, 193, 199, 211, 229, 239, 269, 271, 281, …

The first 3 terms appear at position 176,451.

…580057761373094604324573314159787616555372263016164233…
position 176,451
termsstringfirst positionoccurrences
1311379,995,316
231413,49699,801
3314159176,4511,002
43141596777,759,2016
531415967101not within 1,000,000,0000

Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.