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Search: id:A069467
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| A069467 |
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Twin primes belonging to packs of three or more twin pairs. |
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+0
1
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| 3, 5, 7, 11, 13, 17, 19, 179, 181, 191, 193, 197, 199, 809, 811, 821, 823, 827, 829, 3359, 3361, 3371, 3373, 3389, 3391, 4217, 4219, 4229, 4231, 4241, 4243, 6761, 6763, 6779, 6781, 6791, 6793, 9419, 9421, 9431, 9433, 9437, 9439, 9461, 9463, 18041
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OFFSET
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1,1
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EXAMPLE
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A twin pack of primes contains 2 or more pairs of twin primes, between which pairs there are no other primes. 179,181,191,193,197,199 are in the sequence because they are consecutive primes which belong to more than 2 twin pairs. 137,139,149,151 are not because they belong to a pack of only 2 pairs.
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CROSSREFS
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Cf. A001097, A069458.
Sequence in context: A096880 A069458 A062280 this_sequence A096169 A090670 A074832
Adjacent sequences: A069464 A069465 A069466 this_sequence A069468 A069469 A069470
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KEYWORD
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nonn
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AUTHOR
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N. Fernandez (primeness(AT)borve.org), Mar 24 2002
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