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#14 by OEIS Server at Wed Aug 31 09:12:40 EDT 2016
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Dana Jacobsen, <a href="/A276199/b276199_1.txt">Table of n, a(n) for n = 1..997</a> (first 28 terms from José Eduardo Gaboardi de Carvalho)
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#13 by Bruno Berselli at Wed Aug 31 09:12:40 EDT 2016
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Discussion
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Wed Aug 31
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| OEIS Server: Installed new b-file as b276199.txt. Old b-file is now b276199_1.txt.
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#12 by Joerg Arndt at Wed Aug 31 08:05:44 EDT 2016
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#11 by Dana Jacobsen at Tue Aug 30 18:52:07 EDT 2016
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#10 by Dana Jacobsen at Tue Aug 30 18:51:32 EDT 2016
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| LINKS
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Dana Jacobsen, <a href="/A276199/b276199_1.txt">Table of n, a(n) for n = 1..997</a>> (first 28 terms from José Eduardo Gaboardi de Carvalho)
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#9 by Dana Jacobsen at Tue Aug 30 18:50:34 EDT 2016
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| LINKS
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José Eduardo Gaboardi deDana CarvalhoJacobsen, <a href="/A276199/b276199_1.txt">Table of n, a(n) for n = 1..28997</a>
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| PROG
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(Perl) use ntheory ":all"; sub a276199 { my $l=shift; my $p="3".substr(Pi($l+20), 2, $l-1); for my $dig (0 .. 20) { my $add = "0" x $dig; do { return "$p$add" if is_prime("$p$add"); } while length(++$add) == $dig; } } # Dana Jacobsen, Aug 30 2016
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| STATUS
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approved
editing
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#8 by N. J. A. Sloane at Mon Aug 29 20:56:21 EDT 2016
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#7 by Michel Marcus at Wed Aug 24 12:41:57 EDT 2016
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#6 by Michel Marcus at Wed Aug 24 12:41:35 EDT 2016
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#5 by Michel Marcus at Wed Aug 24 12:40:20 EDT 2016
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| NAME
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Smallest prime that begins with at least n digits of piPi.
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| EXAMPLE
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a(7) = 314159207, begins with first 7 digits of piPi = 3.141592653...
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| KEYWORD
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nonn,base,changed
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| STATUS
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proposed
editing
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