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Search: id:A133281
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| A133281 |
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Numbers n such that n + googol is a lower twin prime. |
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+0
2
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| 35737, 58291, 59257, 63361, 87079, 138277, 141979, 175831, 178897, 219979, 365491, 394681, 413497, 503209, 558187, 599197, 655051, 730321, 747751, 757189, 763369, 788617, 831079, 861331, 865417, 870247, 900199, 947881
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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For n > 219979, n + a googol is a probable prime.
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FORMULA
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Googol = 10^100.
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PROGRAM
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(PARI) googol(n) = { local(x, a, j); x=10^100; forstep(j=1, 1000000, 2, a=x+j; if(ispseudoprime(a)&ispseudoprime(a+2), print1(j", "); ); ) }
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CROSSREFS
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Sequence in context: A133282 A065611 A101252 this_sequence A034605 A031827 A097694
Adjacent sequences: A133278 A133279 A133280 this_sequence A133282 A133283 A133284
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KEYWORD
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nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)hotmail.com), Oct 13 2007
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