Currently searching the following ranges:

Carol-Kynea primes (b^n -/+ 1)^2 - 2

Base N min N max Status New found terms Notes
1656 70,000 100,000 In progress
2634 66,000 100,000 In progress

k * 10^n + c

Form K Base C N min N max Status OEIS ID New found terms Notes


Completed ranges:

k * 10^n + c

Form K Base C N min N max Status OEIS ID New found terms Notes
1 * 10^n - 11 1 10 - 11 10,000 500,000 Finished A092767 259945, 424821, 459480
9 * 10^n - 11 9 10 - 11 1 500,000 Finished A100275 48421, 184122, 189306, 404644
11 * 10^n - 1 11 10 - 1 1 500,000 Finished A111391 234424, 382881
12 * 10^n + 1 12 10 + 1 1 500,000 Finished A294396 -


Planned ranges:

k * 10^n + c

Form K Base C N min N max Status OEIS ID
1*10^n - 23110 - 23100,000300,000SievedA108328
2*10^n - 9210 - 9200,000300,000SievedA259120
2*10^n - 7210 - 7200,000300,000SievedA102946
2*10^n-3210 - 3200,000300,000SievedA102947
2*10^n + 3210 + 3200,000300,000SievedA081677
3*10^n - 7310 - 7200,000300,000SievedA102964
3*10^n + 7310 + 7200,000300,000SievedA100501
4*10^n + 3410 + 3200,000300,000SievedA101397
5*10^n - 9510 - 9200,000300,000SievedA103001
5*10^n - 7510 - 7200,000300,000SievedA103002
5*10^n - 3510 - 3200,000300,000SievedA103003
5*10^n + 3510 + 3200,000300,000SievedA096254
7*10^n + 3710 + 3200,000300,000SievedA097970
7*10^n + 9710 + 9200,000300,000SievedA097954
8*10^n - 7810 - 7200,000300,000SievedA099190
8*10^n - 3810 - 3200,000300,000SievedA259134
9*10^n + 7910 + 7200,000300,000SievedA096774
1*10^n - 123456789110 - 123456789200,000300,000SievedA248350
1*10^n - 51110 - 51250,000300,000SievedA178429
1*10^n - 21110 - 21250,000300,000SievedA108327