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A064962
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1000n+1, 1000n+3, 1000n+7, 1000n+9 are all primes.
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2
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13, 1447, 2062, 5527, 6760, 8062, 11554, 11890, 14467, 23113, 23482, 24952, 25150, 28201, 28300, 31072, 31576, 36217, 41584, 41599, 45331, 50635, 56914, 66688, 67639, 69376, 75079, 80002, 81157, 82240, 84517, 88948, 90010, 90376, 91018
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,1000
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MATHEMATICA
| Select[Range[10^5], PrimeQ[1000# + 1] && PrimeQ[1000# + 3] && PrimeQ[1000# + 7] && PrimeQ[1000# + 9] &]
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PROG
| (PARI) { n=0; for (m=1, 10^9, if(isprime(1000*m + 1) && isprime(1000*m + 3) && isprime(1000*m + 7) && isprime(1000*m + 9), write("b064962.txt", n++, " ", m); if (n==1000, return)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 01 2009]
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CROSSREFS
| Cf. A007811 and A064687.
Sequence in context: A196966 A203369 A197097 * A201357 A185193 A066457
Adjacent sequences: A064959 A064960 A064961 * A064963 A064964 A064965
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KEYWORD
| nonn
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 29 2001
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