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Search: id:A047382
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| A047382 |
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Numbers that are congruent to {0, 5} mod 7. |
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+0
1
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| 0, 5, 7, 12, 14, 19, 21, 26, 28, 33, 35, 40, 42, 47, 49, 54, 56, 61, 63, 68, 70, 75, 77, 82, 84, 89, 91, 96, 98, 103, 105, 110, 112, 117, 119, 124, 126, 131, 133, 138, 140, 145, 147, 152, 154, 159, 161, 166, 168
(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)-9 (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*2-0-9=5; n=3, a(3)=7*3-5-9=7; n=4, a(4)=7*4-7-9=12 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 23 2009]
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CROSSREFS
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Sequence in context: A098040 A082565 A086255 this_sequence A117140 A031144 A160243
Adjacent sequences: A047379 A047380 A047381 this_sequence A047383 A047384 A047385
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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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