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Search: id:A133449
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| A133449 |
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Least K such that 10^(10*n-1) + K + 6*s are consecutive primes for s=0, s=1, s=2, s=3. |
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1
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| 9561, 924591, 10306101, 40379541, 45964621, 13860931, 97601931, 206197461, 39350401, 70495851, 736139881, 120414601, 614399751, 422650131, 862677661, 5344474491, 1622536021, 502698841, 3425985241, 806838691, 4484608141
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OFFSET
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1,1
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EXAMPLE
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10^9+9561, 10^9+9561+6, 10^9+9561+12, 10^9+9561+18 are consecutive primes so K(1)=9561 (no number < 9561 give 4 consecutive primes).
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CROSSREFS
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Sequence in context: A134117 A136476 A136479 this_sequence A038825 A038814 A034626
Adjacent sequences: A133446 A133447 A133448 this_sequence A133450 A133451 A133452
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KEYWORD
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hard,nonn,new
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AUTHOR
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Pierre CAMI (pierrecami(AT)tele2.fr), Nov 27 2007
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EXTENSIONS
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a(6)-a(10) corrected and a(11)-a(21) added by Donovan Johnson (donovan.johnson(AT)yahoo.com), Nov 11 2008
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