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Search: id:A113489
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A113489 Composite numbers of the form "Sum of the first 10^k primes". +0
1
129, 3682913, 496165411, 62260698721, 7472966967499, 99262851056183695, 1234379338586942892505 (list; graph; listen)
OFFSET

1,1

EXAMPLE

The first 10^10 primes add up to 1234379338586942892505 which is composite.

MATHEMATICA

Select[{ (* list A099824 *) }, ! PrimeQ[ # ] &] (from Robert G. Wilson v (rgwv(at)rgwv.com), Jan 14 2006)

CROSSREFS

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

KEYWORD

more,nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Jan 09 2006

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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