A004679 - OEIS

A004679

Primes written in base 5.

2, 3, 10, 12, 21, 23, 32, 34, 43, 104, 111, 122, 131, 133, 142, 203, 214, 221, 232, 241, 243, 304, 313, 324, 342, 401, 403, 412, 414, 423, 1002, 1011, 1022, 1024, 1044, 1101, 1112, 1123, 1132, 1143, 1204, 1211, 1231, 1233, 1242, 1244, 1321, 1343, 1402, 1404, 1413, 1424, 1431

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

FORMULA

a(n) = A007091(A000040(n)). - Michel Marcus, Sep 03 2016

MATHEMATICA

FromDigits/@IntegerDigits[Prime[Range[50]], 5] (* Harvey P. Dale, Dec 09 2010 *)

PROG

(PARI) a(n)=subst(Pol(digits(prime(n), 5)), 'x, 10) \\ Charles R Greathouse IV, Nov 06 2013

(Magma) [Seqint(Intseq(NthPrime(n), 5)): n in [1..60]]; // G. C. Greubel, Oct 12 2018