A004680 Primes written in base 6.

2, 3, 5, 11, 15, 21, 25, 31, 35, 45, 51, 101, 105, 111, 115, 125, 135, 141, 151, 155, 201, 211, 215, 225, 241, 245, 251, 255, 301, 305, 331, 335, 345, 351, 405, 411, 421, 431, 435, 445, 455, 501, 515, 521, 525, 531, 551, 1011, 1015, 1021, 1025, 1035

Offset

1,1

Links

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

Formula

a(n) = A007092(prime(n)). - Michel Marcus, Sep 03 2016

Mathematica

FromDigits/@IntegerDigits[Prime[Range[50]], 6] (* Vincenzo Librandi, Sep 03 2016 *)

Prog

(PARI) a(n)=subst(Pol(digits(prime(n), 6)), 'x, 10) \\ Charles R Greathouse IV, Nov 06 2013
(PARI) vector(60, n, fromdigits(digits(prime(n), 6))) \\ G. C. Greubel, Oct 10 2018
(Magma) [Seqint(Intseq(NthPrime(n), 6)): n in [1..60]]; // G. C. Greubel, Oct 10 2018

Crossrefs

Analogs in other bases: A004676 (base 2), A001363 (base 3), A004678 (base 4), A004679 (base 5), A004681 (base 7), A004682 (base 8), A004683 (base 9), A000040 (base 10), A004684 (base 11).

Cf. A007092.

Sequence in context: A331785 A249684 A275913 * A230147 A324855 A316467

Adjacent sequences: A004677 A004678 A004679 * A004681 A004682 A004683

Keyword

nonn,easy,base

Author

N. J. A. Sloane

Status

approved