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Riesel primes of the form 9•10ⁿ-1

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Current data

`k` , `b` :	9 , 10
Count :	22
Nash :	3518
Max `n` :	1,030,000
Date :	2020-08-04

1^[1], 3^[2], 7, 19, 29, 37, 93, 935, 8415, 9631, 11143, 41475, 41917, 48051, 107663, 212903, 223871, 260253, 364521, 383643, 1009567, 1762063

Remarks :

sequence A056725 in OEIS
See also Near-repdigit 899...99 Studio Kamada

Notes

↑ S.G. n=1
↑ Twin n=3

History

2020-08-04: Found n = 1762063, Ryan Propper
2019-01-29: Checked to n = 1030000, Predrag Kurtovic
2016-09-19: Found n = 1009567, Predrag Kurtovic
2011-01-07: Found n = 383643, David Broadhurst
2010-12-19: Found n = 364521, David Broadhurst
2010-11-09: Found n = 223871, David Broadhurst
2010-11-05: Found n = 260253, David Broadhurst
2010-11-04: Found n = 212903, David Broadhurst
2004-01-21: Found n = 107663, Jiong Sun
2002-01-23: Found n = 41917, Eric J. Sorensen
2000-12-10: Found n = 48051, Harvey Dubner
2000-10-27: Found n = 41475, Dirk Augustin
1994-12-01: Found n = 11143, Harvey Dubner
1994-10-01: Found n = 9631, Harvey Dubner
1994-10-01: Found n = 8415, Harvey Dubner

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