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Search: id:A113489
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| A113489 |
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Composite numbers of the form "Sum of the first 10^k primes". |
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+0 1
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| 129, 3682913, 496165411, 62260698721, 7472966967499, 99262851056183695, 1234379338586942892505
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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The first 10^10 primes add up to 1234379338586942892505 which is composite.
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MATHEMATICA
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Select[{ (* list A099824 *) }, ! PrimeQ[ # ] &] (from Robert G. Wilson v (rgwv(at)rgwv.com), Jan 14 2006)
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CROSSREFS
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Composite terms of A099824.
Sequence in context: A143006 A138586 A103347 this_sequence A043604 A025372 A045049
Adjacent sequences: A113486 A113487 A113488 this_sequence A113490 A113491 A113492
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KEYWORD
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more,nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Jan 09 2006
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