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Search: id:A075601
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| A075601 |
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a(1) = 13 and then the smallest prime that is obtained by placing digits on both sides of the previous term. Or smallest prime that encompasses a(n-1). |
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+0
8
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| 13, 2131, 121313, 51213137, 3512131379, 135121313797, 21351213137977, 5213512131379777, 352135121313797771, 63521351213137977713, 16352135121313797771319, 9163521351213137977713193
(list; graph; listen)
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OFFSET
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1,1
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CROSSREFS
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Cf. A075595, A075596, A075597, A075598, A075599, A075600, A075602.
Sequence in context: A015513 A062314 A128394 this_sequence A013718 A096721 A134159
Adjacent sequences: A075598 A075599 A075600 this_sequence A075602 A075603 A075604
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 28 2002
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EXTENSIONS
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Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 23 2003
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