A260271 Primes that contain only the digits (1, 4, 9).

11, 19, 41, 149, 191, 199, 419, 449, 491, 499, 911, 919, 941, 991, 1499, 1949, 1999, 4111, 4441, 4919, 4999, 9199, 9419, 9491, 9941, 9949, 11119, 11149, 11411, 11491, 11941, 14149, 14411, 14419, 14449, 19141, 19441, 19919, 19949, 19991, 41141, 41149, 41411

Offset

1,1

Comments

A020452, A020457 and A020466 are subsequences.

Links

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

Mathematica

Select[Prime[Range[5 10^3]], Complement[IntegerDigits[#], {1, 4, 9}]=={} &]

Prog

(Magma) [p: p in PrimesUpTo(5*10^4) | Set(Intseq(p)) subset [1, 4, 9]];

Crossrefs

Cf. similar sequences listed in A260266.

Cf. A020452, A020457, A020466.

Sequence in context: A068493 A167535 A184328 * A275797 A294993 A201719

Adjacent sequences: A260268 A260269 A260270 * A260272 A260273 A260274

Keyword

nonn,easy,base

Author

Vincenzo Librandi, Jul 23 2015

Status

approved