A260225 Primes having only {3, 5, 6} as digits.

3, 5, 53, 353, 563, 653, 3533, 5333, 5563, 5653, 6353, 6553, 6563, 6653, 33353, 33533, 33563, 35353, 35363, 35533, 36353, 36563, 36653, 53353, 53633, 53653, 55333, 55633, 55663, 56333, 56533, 56633, 56663, 63353, 63533, 65353, 65563, 65633, 66533, 66553

Offset: 1

Author

Vincenzo Librandi, Jul 21 2015

Keywords

• nonn
• base

Comments

A020462 is subsequence.

Links

• Alois P. Heinz, Table of n, a(n) for n = 1..10000
• Index to entries for primes with digits in a given set

Crossrefs

Cf. similar sequences listed in A260223.

Cf. A020462.

Programs

Magma

[p: p in PrimesUpTo(70000) | Set(Intseq(p)) subset [3, 5, 6]];

Mathematica

Select[Prime[Range[3 10^4]], Complement[IntegerDigits[#], {3, 5, 6}]=={} &]
Table[Select[FromDigits/@Tuples[{3,5,6},n],PrimeQ],{n,5}]//Flatten (* Harvey P. Dale, Jan 23 2018 *)