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A005123
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(( primes == 1 mod 8 ) - 1)/8.
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14
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2, 5, 9, 11, 12, 14, 17, 24, 29, 30, 32, 35, 39, 42, 44, 50, 51, 54, 56, 57, 65, 71, 72, 74, 75, 77, 80, 84, 95, 96, 101, 107, 110, 116, 117, 119, 122, 126, 129, 131, 137, 141, 144, 149, 150, 152, 156, 161, 162, 165
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| T. D. Noe, Table of n, a(n) for n=1..1000
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FORMULA
| a(n) = (A007519(n)-1)/8. - Zak Seidov, Sep 26 2007
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MATHEMATICA
| a={}; Do[x=8*n+1; If[PrimeQ[x], AppendTo[a, n]], {n, 10^2}]; a - Vladimir Orlovsky (4vladimir(AT)gmail.com), Apr 29 2008
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CROSSREFS
| Cf. A007519, A111174, A115249.
Sequence in context: A110781 A170838 A115248 * A154732 A080154 A069829
Adjacent sequences: A005120 A005121 A005122 * A005124 A005125 A005126
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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