A260128 Primes that contain only the digits (2, 3, 9).

2, 3, 23, 29, 223, 229, 233, 239, 293, 929, 2239, 2293, 2333, 2339, 2393, 2399, 2939, 2999, 3229, 3299, 3323, 3329, 3923, 3929, 9239, 9293, 9323, 9923, 9929, 22229, 22993, 23293, 23333, 23339, 23399, 23929, 23993, 29333, 29339, 29399, 32233, 32299, 32323

Offset

1,1

Comments

A020458 and A020460 are subsequences.

Links

Alois P. Heinz, Table of n, a(n) for n = 1..10000

Mathematica

Select[Prime[Range[4 10^3]], Complement[IntegerDigits[#], {2, 3, 9}]=={} &]

Prog

(Magma) [p: p in PrimesUpTo(300000) | Set(Intseq(p)) subset [2, 3, 9]];

Crossrefs

Cf. similar sequences listed in A260125.

Cf. A020458, A020460.

Sequence in context: A272271 A068887 A364142 * A220569 A328940 A024764

Adjacent sequences: A260125 A260126 A260127 * A260129 A260130 A260131

Keyword

nonn,easy,base

Author

Vincenzo Librandi, Jul 17 2015

Status

approved