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Search: id:A087915
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| A087915 |
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Even numbers n such that 2n+3 is a prime. |
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+0
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; listen)
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OFFSET
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0,2
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REFERENCES
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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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CROSSREFS
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A subset of A067076.
Cf. A002145.
a(n)=A089193(n)-5
Sequence in context: A069879 A074330 A024895 this_sequence A088967 A091992 A089033
Adjacent sequences: A087912 A087913 A087914 this_sequence A087916 A087917 A087918
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KEYWORD
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easy,nonn
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AUTHOR
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Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Oct 18 2003
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EXTENSIONS
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More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 19 2003
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