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Search: id:A088460
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| A088460 |
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Lower twin primes with lower twin prime index. |
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+0
3
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| 11, 29, 137, 239, 641, 1151, 1931, 2339, 3851, 4091, 5639, 6359, 8231, 9011, 9431, 11351, 12161, 14561, 15731, 17837, 20441, 25931, 26951, 29207, 33767, 37781, 40847, 42407, 44381, 46439, 59471, 60917, 61979, 65171, 67427, 80831, 81929
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Zak Seidov, Table of n, a(n) for n = 1..177
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FORMULA
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Equals A001359(A001359(n))
a(n) == 5 (mod 6)
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EXAMPLE
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n=1 -> A001359(1)=3 -> A001359(3)=11 = A0088460(1)
n=2 -> A001359(2)=5 -> A001359(5)=29 = A0088460(2)
n=3 -> A001359(3)=11 -> A001359(11)=137 = A0088460(3)
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PROGRAM
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(PARI) a(k) = { for(x1=1, k, print1(twinl(twinl(x1))", ") ) } twinl(n) = { c=0; x=1; while(c<n, if(isprime(prime(x)+2), c++); x++; ); return(prime(x-1)) }
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CROSSREFS
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Cf. A001359, A088463, A007097.
Sequence in context: A053703 A099911 A118638 this_sequence A080083 A115972 A099109
Adjacent sequences: A088457 A088458 A088459 this_sequence A088461 A088462 A088463
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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 and corrected by David W. Wilson (davidwwilson(AT)comcast.net) Oct 29, 2006. Additional comments from R. J. Mathar, Oct 29 2006.
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