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A130006 Prime numbers arising from A050704. 0
2, 3, 3, 5, 5, 7, 11, 11, 11, 17, 19, 23, 17, 23, 29, 29, 37, 31, 43, 43, 29, 47, 47, 43, 53, 59, 67, 41, 71, 71, 59, 71, 83, 71, 97, 83, 59, 79, 89, 83, 107, 113, 71, 107, 127, 103, 131, 157, 137, 173, 179, 131, 167, 101, 179, 193, 139, 167, 179, 107, 191, 197, 173 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..63.

FORMULA

a(n)=A050704(n) - (prime factors of A050704(n)).

EXAMPLE

a(10)=17 because A050704(10) - prime factors of A050704(10) = 28-(7+2+2)=28-11=17.

CROSSREFS

Cf. A050704.

Sequence in context: A210336 A280271 A145834 * A099609 A120249 A058690

Adjacent sequences:  A130003 A130004 A130005 * A130007 A130008 A130009

KEYWORD

easy,nonn

AUTHOR

Tomas Xordan, Jun 15 2007

STATUS

approved

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Last modified October 14 09:57 EDT 2019. Contains 327995 sequences. (Running on oeis4.)