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Search: id:A108978
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A108978 Numbers n such that 29*n + 31 is prime. +0
1
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; listen)
OFFSET

1,2

EXAMPLE

If n=0 then 29*n + 31 = 31 (prime).

If n=92 then 29*n + 31 = 2699 (prime).

MAPLE

a:=proc(n) if isprime(29*n+31)=true then n else fi end: seq(a(n), n=0..530); (Deutsch)

CROSSREFS

Sequence in context: A063622 A162152 A013654 this_sequence A135957 A107755 A027718

Adjacent sequences: A108975 A108976 A108977 this_sequence A108979 A108980 A108981

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jul 27 2005

EXTENSIONS

More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Aug 04 2005

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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