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A087915
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Even numbers n such that 2*n+3 is a prime.
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5
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0, 2, 4, 8, 10, 14, 20, 22, 28, 32, 34, 38, 40, 50, 52, 62, 64, 68, 74, 80, 82, 88, 94, 98, 104, 110, 112, 118, 124, 130, 134, 140, 152, 154, 164, 172, 178, 182, 188, 190, 208, 214, 218, 220, 230, 232, 238, 242, 244, 248, 250, 260, 272, 280, 284, 292, 298, 302
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna 1988
Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta, UTET, CittaStudiEdizioni, Milano 1997
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MATHEMATICA
| Select[Range[0, 350, 2], PrimeQ[2#+3]&] (* From Harvey P. Dale, Jan 12 2012 *)
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CROSSREFS
| A subset of A067076.
Cf. A002145.
a(n)=A089193(n)-5
Sequence in context: A069879 A074330 A024895 * A088967 A200566 A091992
Adjacent sequences: A087912 A087913 A087914 * A087916 A087917 A087918
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KEYWORD
| easy,nonn
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AUTHOR
| Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Oct 18 2003
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EXTENSIONS
| More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 19 2003
Offset corrected by Arkadiusz Wesolowski, Aug 09 2011
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