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A154549
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a(n) = 111111*n.
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2
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111111, 222222, 333333, 444444, 555555, 666666, 777777, 888888, 999999, 1111110, 1222221, 1333332, 1444443, 1555554, 1666665, 1777776, 1888887, 1999998, 2111109, 2222220, 2333331, 2444442, 2555553, 2666664, 2777775, 2888886
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OFFSET
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1,1
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COMMENTS
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This sequence was described by Magnitsky, Leontiy Filippovich (1669-1739), author of "The Russian Mathematical Encyclopedia" (1703) and other books. See the Kvant link. Magnitsky wrote it as a(n) = 143n*777. - Oleg Zyakun, Feb 28 2009
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LINKS
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FORMULA
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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