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A165571 Lesser prime factor of Successively Better Golden Semiprimes. 4
2, 3, 7, 19, 23, 29, 97, 353, 563, 631, 919, 1453, 2207, 15271, 15737, 42797, 49939, 133559, 179317, 287557, 508451, 918011, 1103483 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A165569 and A165570 for the definition. Probably a subset of A108541.

LINKS

Table of n, a(n) for n=1..23.

CROSSREFS

a(n) = A000040(A165569(n)). a(n) = A165570(n)/A165572(n).

Sequence in context: A073641 A273006 A117763 * A178954 A138111 A218100

Adjacent sequences:  A165568 A165569 A165570 * A165572 A165573 A165574

KEYWORD

nonn,more

AUTHOR

Antti Karttunen, Sep 22 2009

EXTENSIONS

a(16)-a(23) from Donovan Johnson, May 13 2010

STATUS

approved

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Last modified October 16 18:03 EDT 2019. Contains 328102 sequences. (Running on oeis4.)