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A089540 Lesser prime factor of semiprimes in A089539. 4
2, 2, 3, 5, 11, 7, 71, 61, 5, 11, 3, 97, 83, 23, 7, 2, 3, 263, 71, 20639383, 11, 281421719, 3, 811, 401, 1697, 110298581317, 29, 33619, 2, 19, 11, 11, 67411, 7, 3, 126397507816417, 14029308060317546154181, 13, 9649, 53, 2044687972231331951 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

CROSSREFS

Cf. A085747, A089538, A089539, A089541.

Sequence in context: A127180 A317809 A249241 * A080008 A058697 A030427

Adjacent sequences:  A089537 A089538 A089539 * A089541 A089542 A089543

KEYWORD

nonn

AUTHOR

Ray Chandler, Nov 09 2003

STATUS

approved

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Last modified January 22 12:13 EST 2019. Contains 319363 sequences. (Running on oeis4.)