A260126 Primes having only {2, 3, 6} as digits.

2, 3, 23, 223, 233, 263, 2333, 2633, 2663, 3323, 3623, 6263, 6323, 23333, 23623, 23633, 23663, 26263, 26633, 32233, 32323, 32363, 32633, 33223, 33623, 36263, 62233, 62323, 62633, 222323, 223633, 226663, 232333, 232363, 232633, 232663, 233323, 233663, 236323

Offset: 1

Author

Vincenzo Librandi, Jul 17 2015

Keywords

• nonn
• base
• easy

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 A260125.

Cf. A020458 (a subsequence).

Programs

Magma

[p: p in PrimesUpTo(300000) | Set(Intseq(p)) subset [2,3,6]];

Mathematica

Select[Prime[Range[3 10^4]], Complement[IntegerDigits[#], {2, 3, 6}]=={} &]