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A004682
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Primes written in base 8.
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4
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2, 3, 5, 7, 13, 15, 21, 23, 27, 35, 37, 45, 51, 53, 57, 65, 73, 75, 103, 107, 111, 117, 123, 131, 141, 145, 147, 153, 155, 161, 177, 203, 211, 213, 225, 227, 235, 243, 247, 255, 263, 265, 277, 301, 305, 307, 323, 337, 343, 345, 351, 357, 361, 373, 401, 407, 415, 417
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refs;
listen;
history;
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internal format)
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OFFSET
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1,1
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
C. P. Simoes, Teste de Desempenho Mental (in Portuguese).
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FORMULA
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a(n) = A007094(prime(n)). - Michel Marcus, Sep 03 2016
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MATHEMATICA
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FromDigits/@IntegerDigits[Prime[Range[50]], 8] (* Vincenzo Librandi, Sep 03 2016 *)
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PROG
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(PARI) a(n)=subst(Pol(digits(prime(n), 8)), 'x, 10) \\ Charles R Greathouse IV, Nov 06 2013
(PARI) vector(60, n, fromdigits(digits(prime(n), 8))) \\ G. C. Greubel, Oct 10 2018
(MAGMA) [Seqint(Intseq(NthPrime(n), 8)): n in [1..60]]; // G. C. Greubel, Oct 10 2018
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CROSSREFS
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Cf. similar sequences listed in A004680.
Cf. A007094.
Sequence in context: A168484 A217907 A031344 * A173105 A024783 A092855
Adjacent sequences: A004679 A004680 A004681 * A004683 A004684 A004685
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KEYWORD
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nonn,easy,base
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AUTHOR
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N. J. A. Sloane
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STATUS
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approved
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