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Search: id:A062332
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| A062332 |
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Primes starting and ending with 1. |
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+0
4
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| 11, 101, 131, 151, 181, 191, 1021, 1031, 1051, 1061, 1091, 1151, 1171, 1181, 1201, 1231, 1291, 1301, 1321, 1361, 1381, 1451, 1471, 1481, 1511, 1531, 1571, 1601, 1621, 1721, 1741, 1801, 1811, 1831, 1861, 1871, 1901, 1931, 1951, 10061, 10091, 10111
(list; graph; listen)
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OFFSET
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0,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,1000
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EXAMPLE
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102701 is a member as it is a prime and the first and the last digits are both 1.
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PROGRAM
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(PARI) { n=-1; t=log(10); forprime (p=2, 5*10^5, if ((p-10*(p\10)) == 1 && (p\10^(log(p)\t)) == 1, write("b062332.txt", n++, " ", p); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 05 2009]
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CROSSREFS
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Sequence in context: A113654 A066592 A159613 this_sequence A088281 A068685 A109830
Adjacent sequences: A062329 A062330 A062331 this_sequence A062333 A062334 A062335
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KEYWORD
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nonn,base,easy
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 21 2001
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EXTENSIONS
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Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 29 2001
Missing term a(36)=1901 added by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 05 2009
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