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A108978
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Numbers n such that 29*n + 31 is prime.
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0
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0, 2, 8, 12, 24, 42, 44, 48, 50, 54, 68, 78, 80, 84, 92, 108, 110, 120, 134, 140, 162, 164, 168, 174, 182, 188, 194, 210, 218, 222, 230, 240, 264, 272, 278, 282, 300, 308, 314, 320, 330, 338, 342, 344, 350, 362, 378, 392, 402, 408, 414, 420, 422, 440, 444, 458
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| If n=0 then 29*n + 31 = 31 (prime).
If n=92 then 29*n + 31 = 2699 (prime).
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MAPLE
| a:=proc(n) if isprime(29*n+31)=true then n else fi end: seq(a(n), n=0..530); (Deutsch)
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MATHEMATICA
| Select[Range[0, 500], PrimeQ[29#+31]&] [From Harvey P. Dale, Jan. 13, 2011]
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CROSSREFS
| Sequence in context: A063622 A162152 A013654 * A135957 A107755 A027718
Adjacent sequences: A108975 A108976 A108977 * A108979 A108980 A108981
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jul 27 2005
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EXTENSIONS
| More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Aug 04 2005
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