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Search: id:A047352
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| A047352 |
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Numbers that are congruent to {0, 2} mod 7. |
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+0
1
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| 0, 2, 7, 9, 14, 16, 21, 23, 28, 30, 35, 37, 42, 44, 49, 51, 56, 58, 63, 65, 70, 72, 77, 79, 84, 86, 91, 93, 98, 100, 105, 107, 112, 114, 119, 121, 126, 128, 133, 135, 140, 142, 147, 149, 154, 156, 161, 163, 168, 170
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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a(n)=7*n-a(n-1)-12 (with a(1)=0) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 23 2009]
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EXAMPLE
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For n =2, a(2)=7*2-0-12=2; n=3, a(3)=7*3-2-12=7; n=4 a(4)=7*4-7-12=9 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 23 2009]
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CROSSREFS
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Sequence in context: A165474 A056904 A077470 this_sequence A074244 A102994 A085544
Adjacent sequences: A047349 A047350 A047351 this_sequence A047353 A047354 A047355
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KEYWORD
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nonn,new
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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