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A112766
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Smallest prime of the form 8 followed by n copies of k.
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0
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83, 811, 8111, 839393939, 81313131313, 8212121212121, 83333333, 89191919191919191, 8777777777, 829292929292929292929, 85151515151515151515151, 8313131313131313131313131, 811111111111111111111111111, 81313131313131313131313131313
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| a(3) = 8111, 8 followed by three copies of 1.
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PROG
| (PARI) for(n=1, 100, np=1; k=1; while(np, s="8"; for(i=1, n, s=concat(s, Str(k))); m=eval(s); if(isprime(m), print1(m", "); np=0, k++))) - Herman Jamke (hermanjamke(AT)fastmail.fm), May 01 2008
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CROSSREFS
| Sequence in context: A059236 A059935 A069596 * A128950 A068851 A037069
Adjacent sequences: A112763 A112764 A112765 * A112767 A112768 A112769
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KEYWORD
| base,nonn,dumb
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jan 02 2006
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EXTENSIONS
| More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), May 01 2008
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