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A153432
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Numbers m such that all ten numbers 10^k*m+1; k=0,1,...,9 are prime.
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2
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15538734736, 28034367522, 41221375552, 89468493268, 92220460962, 95951017078, 105627706800, 108012908976, 147689513538, 161055865908, 177073756566, 181921823202, 185137153012, 192336309046, 212463686778
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OFFSET
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1,1
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COMMENTS
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If m & n are in the sequence, k<10 and r=m*n*10^k -1 is prime then r has
at least k+1 representations of the form p*q-(p+q)where p & q are prime.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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