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Search: id:A047473
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| A047473 |
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Numbers that are congruent to {2, 3} mod 8. |
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+0
2
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| 2, 3, 10, 11, 18, 19, 26, 27, 34, 35, 42, 43, 50, 51, 58, 59, 66, 67, 74, 75, 82, 83, 90, 91, 98, 99, 106, 107, 114, 115, 122, 123, 130, 131, 138, 139, 146, 147, 154, 155, 162, 163, 170, 171, 178, 179, 186, 187, 194
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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n such that n and n+2 have the same digital binary sum - Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 01 2002
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FORMULA
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a(n)=8*n-a(n-1)-11 (with a(1)=2) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 24 2009]
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EXAMPLE
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For n=2, a(2)=8*2-2-11=3; n=4, a(4)=8*4-3-11=10; n=4, a(4)=8*4-10-11=11 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 24 2009]
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CROSSREFS
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Sequence in context: A146327 A081706 A032804 this_sequence A008509 A081868 A092986
Adjacent sequences: A047470 A047471 A047472 this_sequence A047474 A047475 A047476
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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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