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A098421 Primes occurring in exactly one prime triple (p,q,r) with p<q<r=p+6. +0
4
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 (list; graph; listen)
OFFSET

1,1

COMMENT

A098418(a(n)) = 1; subsequence of A098420.

LINKS

Eric Weisstein's World of Mathematics, Prime Triplet

CROSSREFS

Cf. A098419, A098422, A098423.

Sequence in context: A071199 A082283 A050906 this_sequence A044447 A061240 A062341

Adjacent sequences: A098418 A098419 A098420 this_sequence A098422 A098423 A098424

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Sep 07 2004

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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