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Williams primes of the form 9•10n+1

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Current data

Base : 10
Count : 23
Max n : 200,000
Date : 2020-06-25
3, 4, 5, 9, 22, 27, 36, 57, 62, 78, 201, 537, 696, 790, 905, 1038, 66886, 70500, 91836, 100613, 127240, 380734, 583696
Remarks :
The sequence A056797 in OEIS
For all even n-values 9•10n+1 is a Generalized Fermat number.

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