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Search: id:A122568
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| A122568 |
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Least k (or 0 if no such k exists) such that 10^n+k is the least bemirp of a quartet of 4 different bemirps and the least bemirp of n+1 digits. |
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+0
1
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| 0, 0, 61, 61, 6861, 106881, 806881, 688611, 6088861, 169111, 6601911, 810681, 1161, 10086091, 6096691, 1016101, 69088101, 16106811, 60088191, 8608611, 6008001, 66169881, 160161601, 106898181, 689060101, 1811106801
(list; graph; listen)
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OFFSET
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1,3
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LINKS
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P. CAMI, Table of n, a(n) for n=1..99
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EXAMPLE
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For n=3 10^3+61=1061, 1061, 1091, 1901, 1601 are 4 bemirps so a(3)=61 as 1061 is the least 4 digits prime like this
For n=4 10^4+61=10061, 10061, 10091, 19001, 16001 are 4 bemirps so a(4)=61 as 10061 is the least 5 digits prime like this
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CROSSREFS
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Cf. A048895.
Sequence in context: A002108 A087409 A033381 this_sequence A075028 A042859 A114085
Adjacent sequences: A122565 A122566 A122567 this_sequence A122569 A122570 A122571
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KEYWORD
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base,nonn
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AUTHOR
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Pierre CAMI (pierrecami(AT)tele2.fr), Sep 21 2006, corrected Sep 27 2006
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