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Search: id:A089193
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| A089193 |
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Odd numbers n such that 2n-7 is a prime of the form 4k+3. |
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+0
4
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| 5, 7, 9, 13, 15, 19, 25, 27, 33, 37, 39, 43, 45, 55, 67, 69, 73, 79, 85, 87, 93, 99, 103, 109, 115, 117, 123, 129, 135, 139, 145, 157, 159, 169, 177, 183, 187, 193, 195, 213, 219, 223, 225, 235, 237, 243, 249, 253, 255, 265, 277, 285, 289, 297
(list; graph; listen)
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OFFSET
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0,1
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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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Cf. A002145.
a(n)=A087915(n)+5
Sequence in context: A141106 A047478 A048974 this_sequence A111083 A050550 A079523
Adjacent sequences: A089190 A089191 A089192 this_sequence A089194 A089195 A089196
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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), Dec 08 2003
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