References to A177875

The number of decimal digits in Lucas-Lehmer numbers A003010(k-2) divisible by 2^k-1.
2, 5, 19, 1172, 18742, 74967, 307062002, 329705313529178423

1 seqfan posts

Wed Jan 12 10:53:34 CET 2011    [seqfan] Re: Linear recurrences with large gaps

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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