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A260381 Primes that contain only the digits (3, 7, 8). 2
3, 7, 37, 73, 83, 337, 373, 383, 733, 773, 787, 877, 883, 887, 3373, 3733, 3833, 3877, 7333, 7873, 7877, 7883, 8377, 8387, 8737, 8783, 8837, 8887, 33377, 33773, 37337, 37783, 38333, 38377, 38737, 38783, 38833, 38873, 73387, 73783, 73877, 73883, 77377, 77383 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A020463, A020464 and A020470 are subsequences.

LINKS

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

MATHEMATICA

Select[Prime[Range[2 10^4]], Complement[IntegerDigits[#], {3, 7, 8}]=={} &]

PROG

(MAGMA) [p: p in PrimesUpTo(2*10^5) | Set(Intseq(p)) subset [3, 7, 8]];

CROSSREFS

Cf. similar sequences listed in A260378.

Cf. A000040, A020463, A020464, A020470.

Sequence in context: A049493 A260380 A260382 * A260378 A020463 A057625

Adjacent sequences:  A260378 A260379 A260380 * A260382 A260383 A260384

KEYWORD

nonn,easy,base

AUTHOR

Vincenzo Librandi, Aug 01 2015

STATUS

approved

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Last modified July 23 04:00 EDT 2019. Contains 325230 sequences. (Running on oeis4.)