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Search: id:A088463
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| A088463 |
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Upper twin primes of upper twin prime index. |
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+0
3
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| 31, 61, 181, 283, 811, 1279, 1999, 2551, 3931, 4159, 5659, 6553, 8389, 9241, 9463, 11551, 12253, 14629, 15889, 17923, 20509, 26113, 27109, 29401, 33829, 37993, 41179, 42571, 44623, 46681, 59671, 61333, 62143, 65449, 67759, 81019, 82009
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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a(n) == 1 (mod 6)
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FORMULA
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Equals A006512(A006512(n))
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PROGRAM
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(PARI) a(k) = { for(x1=1, k, y1=twinu(twinu(x1)); print1(y1", ") ) } twin(n) = { c=0; x=1; while(c<n, if(isprime(prime(x)+2), c++); x++; ); return(prime(x)) }
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CROSSREFS
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Cf. A006512, A088460, A007097.
Sequence in context: A114991 A139892 A088464 this_sequence A078855 A053430 A040930
Adjacent sequences: A088460 A088461 A088462 this_sequence A088464 A088465 A088466
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KEYWORD
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nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Nov 12 2003
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EXTENSIONS
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Edited by David W. Wilson (davidwwilson(AT)comcast.net) Oct 29, 2006
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