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

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

Crossrefs

Cf. similar sequences listed in A004680.

Cf. A000040, A007091.

Sequence in context: A015859 A022427 A061868 * A168060 A306076 A069124

Adjacent sequences: A004676 A004677 A004678 * A004680 A004681 A004682

Keyword

nonn,easy,base

Author

N. J. A. Sloane

Status

approved