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Search: id:A071614
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| A071614 |
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a(n) is the smallest emirp such that it is the first of n consecutive emirps with equal digit sum. |
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+0
3
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OFFSET
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1,1
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EXAMPLE
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a(3) = 15919, since 15919,15937,15973 are three consecutive emirps with digit sum 25 and this is the first occurrence of three consecutive emirps with equal digit sum.
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CROSSREFS
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Cf. A006567, A070905, A071612, A071613.
Sequence in context: A120782 A032652 A136373 this_sequence A045552 A133718 A052255
Adjacent sequences: A071611 A071612 A071613 this_sequence A071615 A071616 A071617
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KEYWORD
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base,more,nonn
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AUTHOR
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Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 27 2002
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