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Search: id:A089543
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A089543 Lesser prime factor of semiprimes in A089542. +0
4
2, 2, 3, 7, 53, 29, 353, 1549, 8353, 7, 15889, 1691419, 347, 67, 1097, 274177, 43, 18882774223, 67, 5197, 1801088543, 556114086547, 44773, 3062989, 5641, 92553847628747, 18349361, 607, 51131, 13217, 42806180589950051 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Cf. A085753, A089542, A089544.

Sequence in context: A052449 A053413 A143673 this_sequence A058023 A139073 A099870

Adjacent sequences: A089540 A089541 A089542 this_sequence A089544 A089545 A089546

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 09 2003

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

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