

A107685


Swap the order of primes in twin prime pairs. Also, from 5th term (which is 7) on, the primes of A107323.


0



2, 3, 5, 3, 7, 5, 13, 11, 19, 17, 31, 29, 43, 41, 61, 59, 73, 71, 103, 101, 109, 107, 139, 137, 151, 149, 181, 179, 193, 191, 199, 197, 229, 227, 241, 239, 271, 269, 283, 281, 313, 311, 349, 347, 421, 419, 433, 431, 463, 461, 523, 521, 571, 569, 601, 599, 619
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OFFSET

1,1


COMMENTS

Included here as a twin prime pair is (2,3).


LINKS

Table of n, a(n) for n=1..57.


MAPLE

c:=0: for n from 3 to 1000 do if isprime(n)=true and isprime(n+2)=true then c:=c+2: a[c1]:=n+2: a[c]:=n: fi od: 2, 3, seq(a[n], n=1..c); # Emeric Deutsch, Jun 19 2005


CROSSREFS

Cf. A107323, A107472.
Sequence in context: A318411 A225680 A346091 * A161984 A337362 A125677
Adjacent sequences: A107682 A107683 A107684 * A107686 A107687 A107688


KEYWORD

nonn


AUTHOR

Leroy Quet, Jun 16 2005


EXTENSIONS

More terms from Emeric Deutsch, Jun 19 2005


STATUS

approved



