A260225 Primes that contain only the digits (3, 5, 6).

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

1,1

Comments

A020462 is subsequence.

Links

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

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 *)

Prog

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

Crossrefs

Cf. similar sequences listed in A260223.

Cf. A020462.

Sequence in context: A213052 A355016 A260223 * A020462 A087602 A086340

Adjacent sequences: A260222 A260223 A260224 * A260226 A260227 A260228

Keyword

nonn,base

Author

Vincenzo Librandi, Jul 21 2015

Status

approved