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A098421
Primes occurring in exactly one prime triple (p,q,r) with p<q<r=p+6.
3
5, 23, 37, 47, 67, 71, 73, 97, 113, 191, 199, 223, 233, 277, 281, 283, 307, 317, 347, 349, 353, 457, 467, 613, 617, 619, 641, 643, 647, 821, 829, 853, 863, 877, 887, 1087, 1097, 1277, 1279, 1283, 1297, 1307, 1423, 1433, 1447, 1451, 1453, 1481, 1493, 1607, 1609
OFFSET
1,1
COMMENTS
A098418(a(n)) = 1; subsequence of A098420.
LINKS
Eric Weisstein's World of Mathematics, Prime Triplet
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 07 2004
STATUS
approved