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Search: id:A096342
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| A096342 |
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Primes of the form p*q + p + q, where p and q are two successive primes. |
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+0
10
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| 11, 23, 47, 167, 251, 359, 479, 719, 1847, 2111, 2591, 3719, 6719, 7559, 8819, 10607, 12539, 14591, 19319, 27551, 29231, 31319, 51071, 53819, 68111, 97967, 149759, 155219, 172199, 177239, 195359, 199799, 234239, 273527, 305783, 314711, 339863
(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) == 3 mod 4.
Primes arising in A126148. - Jonathan Vos Post (jvospost2(AT)yahoo.com), Mar 08 2007
Number of primes <10^n: 0, 3, 8, 15, 26, 49, 99, 220, 514, 1228, 2991, 7746, 20218, 54081, ..., . - Robert G. Wilson v.
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EXAMPLE
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a(4)=167 because 11*13 + 11 + 13=167.
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MATHEMATICA
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a = {}; Do[p = Prime[n]Prime[n + 1] + Prime[n] + Prime[n + 1]; If[ PrimeQ[p], AppendTo[a, p]], {n, 110}]; a (from Robert G. Wilson v, Jul 01 2004)
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CROSSREFS
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Cf. A000040, A001043, A006094, A126148, A126199.
Sequence in context: A139834 A100558 A126199 this_sequence A066179 A041236 A097485
Adjacent sequences: A096339 A096340 A096341 this_sequence A096343 A096344 A096345
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KEYWORD
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nonn
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AUTHOR
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Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jun 29 2004
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 02 2004
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