A130006 Prime numbers arising from A050704.

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

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: A145834 A339246 A341142 * A099609 A350865 A120249

Adjacent sequences: A130003 A130004 A130005 * A130007 A130008 A130009

Keyword

easy,nonn

Author

Tomas Xordan, Jun 15 2007

Status

approved