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A260271 Primes that contain only the digits (1, 4, 9). 8
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 29 14:13 EDT 2020. Contains 337431 sequences. (Running on oeis4.)