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Search: id:A115012
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| A115012 |
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Sum_{i=1..n, gcd(5,i)=1} i. |
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+0
3
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| 1, 3, 6, 10, 10, 16, 23, 31, 40, 40, 51, 63, 76, 90, 90, 106, 123, 141, 160, 160, 181, 203, 226, 250, 250, 276, 303, 331, 360, 360, 391, 423, 456, 490, 490, 526, 563, 601, 640, 640, 681, 723, 766, 810, 810, 856, 903, 951, 1000, 1000, 1051, 1103, 1156, 1210, 1210, 1266
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OFFSET
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1,2
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CROSSREFS
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Replacing 5 in the definition by 2,3,4,5,6,7,8,9 gives respectively A008794, A068626, A008794, this sequence, A115014, A115015, A008794, A068626.
Adjacent sequences: A115009 A115010 A115011 this_sequence A115013 A115014 A115015
Sequence in context: A009019 A032570 A130483 this_sequence A135738 A073851 A043321
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KEYWORD
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nonn
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AUTHOR
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njas, Feb 24 2006
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