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Search: id:A109749
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| A109749 |
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Numbers n such that 88 * 10^n + 1 is prime. |
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+0
1
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| 1, 3, 4, 7, 18, 30, 82, 99, 105, 106, 147, 334, 1092, 1221, 3705, 5524, 30355
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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All terms have been certified. Primality proof for the largest: PFGW Version 20041001.Win_Stable (v1.2 RC1b) [FFT v23.8] Primality testing 88*10^30355+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 3 Calling Brillhart-Lehmer-Selfridge with factored part 69.89% 88*10^30355+1 is prime! (491.3713s+0.8690s)
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CROSSREFS
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Cf. A056804, A056797.
Adjacent sequences: A109746 A109747 A109748 this_sequence A109750 A109751 A109752
Sequence in context: A093611 A042375 A041593 this_sequence A041497 A042227 A117789
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KEYWORD
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more,nonn
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AUTHOR
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Jason Earls (jcearls(AT)cableone.net), Aug 11 2005
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