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Search: id:A055011
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| A055011 |
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p(n+1) = next smallest prime beginning with p(n) when written in binary, starting with 2. |
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+0
1
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| 2, 5, 11, 23, 47, 191, 383, 3067, 12269, 196307, 6281839, 50254717, 201018869, 804075479, 1608150959, 102921661397
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OFFSET
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0,1
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COMMENT
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a(5)=191 because a(4)=47 which in binary is 101111, none of 1011110(94) 1011111(95) 10111100(188) 10111101(189) 10111110 (190) are prime, but 10111111(191) is.
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CROSSREFS
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Cf. A048549 for base 10 analogue.
Sequence in context: A055496 A105120 A084403 this_sequence A007505 A059411 A126017
Adjacent sequences: A055008 A055009 A055010 this_sequence A055012 A055013 A055014
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KEYWORD
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base,easy,nonn
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), May 31 2000
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