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A260892
Primes that contain only the digits (1, 7, 8).
2
7, 11, 17, 71, 181, 787, 811, 877, 881, 887, 1117, 1171, 1181, 1187, 1777, 1787, 1811, 1871, 1877, 7177, 7187, 7717, 7817, 7877, 8111, 8117, 8171, 8887, 11117, 11171, 11177, 11717, 11777, 11887, 17117, 17881, 18181, 18787, 71171, 71711, 71777, 71881, 71887
OFFSET
1,1
COMMENTS
A020455, A020456 and A020470 are subsequences.
LINKS
MATHEMATICA
Select[Prime[Range[2 10^5]], Complement[IntegerDigits[#], {1, 7, 8}] == {} &]
PROG
(Magma) [p: p in PrimesUpTo(2*10^5) | Set(Intseq(p)) subset [1, 7, 8]];
CROSSREFS
Cf. similar sequences listed in A260889.
Sequence in context: A260891 A276039 A199327 * A020455 A178617 A188074
KEYWORD
nonn,easy,base
AUTHOR
Vincenzo Librandi, Aug 07 2015
STATUS
approved