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Search: id:A006512
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| A006512 |
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Greater of twin primes.
(Formerly M3763)
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+0
110
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| 5, 7, 13, 19, 31, 43, 61, 73, 103, 109, 139, 151, 181, 193, 199, 229, 241, 271, 283, 313, 349, 421, 433, 463, 523, 571, 601, 619, 643, 661, 811, 823, 829, 859, 883, 1021, 1033, 1051, 1063, 1093, 1153, 1231, 1279, 1291, 1303, 1321, 1429, 1453, 1483, 1489, 1609
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Also primes that are the sum of two primes. - Cino Hilliard (hillcino368(AT)gmail.com), Jul 02 2004
The set of greater of twin primes larger than five is a proper subset of the set of primes of the form 3n + 1 (A002476). - Paul Muljadi (paulmuljadi(AT)yahoo.com), Jun 05 2008
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REFERENCES
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See A001359 for references and links.
Harvey Dubner, Twin Prime Statistics, Journal of Integer Sequences, Vol. 8 (2005), Article 05.4.2.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..10000
Index entries for primes, gaps between
O. E. Pol, Determinacion geometrica de los numeros primos y perfectos.
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MAPLE
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ZL:=[]:for p from 1 to 1610 do if (isprime(p) and isprime(p+2) ) then ZL:=[op(ZL), (binomial((p+2), p+1))]; fi; od; print(ZL); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 08 2007
for i from 1 to 253 do if ithprime(i+1) = ithprime(i) + 2 then print({ithprime(i+1)}); fi; od; - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 19 2007
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MATHEMATICA
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Select[ Prime[ Range[254]], PrimeQ[ # - 2] &] (from Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2005)
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CROSSREFS
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Cf. A001359, A014574, A067829.
Bisection of A077800.
Subsequence of A139690.
Cf. A002476.
Sequence in context: A045443 A099349 A106986 this_sequence A074304 A072677 A063910
Adjacent sequences: A006509 A006510 A006511 this_sequence A006513 A006514 A006515
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KEYWORD
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nonn,nice,easy
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AUTHOR
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njas
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), Dec 04 2000
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