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A081988
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Product of digits + 1 is a prime.
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5
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1, 2, 4, 6, 11, 12, 14, 16, 21, 22, 23, 25, 26, 28, 29, 32, 34, 36, 41, 43, 44, 47, 49, 52, 56, 58, 61, 62, 63, 65, 66, 67, 74, 76, 82, 85, 89, 92, 94, 98, 111, 112, 114, 116, 121, 122, 123, 125, 126, 128, 129, 132, 134, 136, 141, 143, 144, 147, 149, 152, 156, 158
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listen;
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OFFSET
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1,2
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COMMENTS
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Sequence is infinite: every number of the form 111..1 is in the sequence, for example. - Gabriel Cunningham (gcasey(AT)mit.edu), Apr 07 2003
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LINKS
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EXAMPLE
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126 is a member as 1*2*6 + 1 = 13 is a prime.
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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EXTENSIONS
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More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003
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STATUS
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approved
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