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Search: id:A097972
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| A097972 |
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Least m such that both p|m and p+2|m+2 for twin prime pairs (p,p+2) (p=A001359). |
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+0
1
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| 18, 40, 154, 340, 928, 1804, 3658, 5254, 10504, 11770, 19180, 22648, 32578, 37054, 39400, 52210, 57838, 73168, 79804, 97654, 121450, 176818, 187054, 213904, 273004, 325468, 360598, 382540, 412804, 436258, 656908, 676504, 686410, 737020, 778804
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OFFSET
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1,1
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FORMULA
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a(n)=p*(p+3), with p=A001359.
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EXAMPLE
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For instance, {a(4), a(4)+2)}, i.e. (340=17*20, 342=19*18) is the smallest pair whose elements are respectively divisible by the 4-th twin prime pair (17, 19).
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CROSSREFS
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Sequence in context: A043118 A039295 A043898 this_sequence A154284 A124792 A090605
Adjacent sequences: A097969 A097970 A097971 this_sequence A097973 A097974 A097975
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KEYWORD
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nonn
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AUTHOR
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Lekraj Beedassy (blekraj(AT)yahoo.com), Sep 07 2004
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