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A089079
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Numbers n such that 7*n-23 is prime.
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1
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4, 6, 10, 12, 16, 18, 22, 28, 36, 40, 42, 48, 58, 60, 66, 70, 76, 78, 88, 90, 100, 102, 106, 108, 112, 126, 130, 136, 142, 148, 156, 160, 168, 172, 178, 180, 186, 190, 192, 208, 210, 216, 222, 226, 232, 240, 246, 252, 258, 262, 270, 282, 286, 288, 298, 312, 318, 328, 330, 340, 342, 346, 352, 366, 376, 388, 390, 396
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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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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PROG
| (MAGMA)[n: n in [4..400]|IsPrime(7*n-23)][From V. Librandi, Dec 17 2010]
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CROSSREFS
| a(n) = A024901(n)+3.
Sequence in context: A194382 A165972 A156037 * A193948 A108724 A024995
Adjacent sequences: A089076 A089077 A089078 * A089080 A089081 A089082
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KEYWORD
| easy,nonn
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AUTHOR
| Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Dec 04 2003
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EXTENSIONS
| Corrected and extended by Vincenzo Librandi, Dec 17 2010
Offset corrected by Arkadiusz Wesolowski, Aug 09 2011
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