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Search: id:A155058
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| A155058 |
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Primes with odd largest digit. |
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+0
1
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| 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 47, 53, 59, 67, 71, 73, 79, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 167, 173, 179, 191, 193, 197, 199, 223, 227, 229, 233, 239, 251, 257, 269, 271, 277, 293, 307, 311, 313, 317, 331, 337, 347
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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If 2=prime, then 2=even. If 3=prime and 3=odd, then 3=a(1). If 5=prime and 5=odd, then 5=a(2). iF 7=prime and 7=odd, then 7=a(3). If 11=prime and 1=1=odd, then=a(4), etc.
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CROSSREFS
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Cf. A000040.
Sequence in context: A138980 A020615 A165255 this_sequence A007703 A002556 A130101
Adjacent sequences: A155055 A155056 A155057 this_sequence A155059 A155060 A155061
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KEYWORD
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nonn,base
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jan 19 2009
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EXTENSIONS
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Replace 181 with 191 by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jan 31 2009
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