A004682 Primes written in base 8.

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

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Formula

a(n) = A007094(prime(n)). - Michel Marcus, Sep 03 2016

Mathematica

FromDigits/@IntegerDigits[Prime[Range[50]], 8] (* Vincenzo Librandi, Sep 03 2016 *)

Prog

(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

Crossrefs

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

Keyword

nonn,easy,base

Author

N. J. A. Sloane

Status

approved