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A006489 n-6, n, n+6 are primes.
(Formerly M4770)
+0
6
11, 13, 17, 23, 37, 47, 53, 67, 73, 103, 107, 157, 173, 233, 257, 263, 277, 353, 373, 563, 593, 607, 613, 647, 653, 733, 947, 977, 1097, 1103, 1123, 1187, 1223, 1283, 1297, 1367, 1433, 1453, 1487, 1493, 1607, 1613, 1663, 1747, 1753, 1783, 1867, 1873 (list; graph; listen)
OFFSET

1,1

REFERENCES

"Prime Triplets" by Joseph Hirsch, Mathematics Teacher, 62 (1969), 467ff (see p. 471).

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

CROSSREFS

Sequence in context: A048058 A048059 A106076 this_sequence A032621 A052031 A105892

Adjacent sequences: A006486 A006487 A006488 this_sequence A006490 A006491 A006492

KEYWORD

nonn,nice,easy

AUTHOR

njas

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 24 1999

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.


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