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A247870 Least prime factor of odd numbers congruent to 4 modulo 9. 1
7, 5, 11, 5, 13, 5, 7, 11, 5, 17, 7, 5, 13, 11, 5, 7, 19, 5, 7, 17, 5, 5, 29, 5, 11, 7, 13, 5, 17, 7, 5, 11, 31, 5, 7, 23, 5, 19, 7, 5, 29, 13, 5, 11, 5, 7, 5, 23, 13, 7, 5, 5, 7, 43, 5, 11, 17, 7, 19, 5, 23, 5, 11, 13, 5, 41, 7, 47, 17, 5, 31, 11, 7, 5, 13, 29, 5, 7, 23, 37, 11, 5, 17, 7, 13, 5, 43, 19, 5, 5, 7, 17, 5, 11 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Odimar Fabeny, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A056608, A247678.

Sequence in context: A323669 A304136 A305042 * A141391 A135766 A067745

Adjacent sequences:  A247867 A247868 A247869 * A247871 A247872 A247873

KEYWORD

nonn,easy

AUTHOR

Odimar Fabeny, Sep 25 2014

STATUS

approved

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Last modified November 18 04:44 EST 2019. Contains 329248 sequences. (Running on oeis4.)