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A260380
Primes having only {3, 6, 7} as digits.
9
3, 7, 37, 67, 73, 337, 367, 373, 673, 677, 733, 773, 3373, 3637, 3673, 3677, 3733, 3767, 6337, 6367, 6373, 6637, 6673, 6733, 6737, 6763, 7333, 7673, 33377, 33637, 33767, 33773, 36373, 36637, 36677, 36767, 37337, 37363, 37633, 37663, 63337, 63367, 63377, 63667
OFFSET
1,1
COMMENTS
A020463 and A020469 are subsequences.
MATHEMATICA
Select[Prime[Range[2 10^4]], Complement[IntegerDigits[#], {3, 6, 7}]=={} &]
Select[Flatten[Table[FromDigits/@Tuples[{3, 6, 7}, n], {n, 5}]], PrimeQ] (* Harvey P. Dale, Apr 13 2022 *)
PROG
(Magma) [p: p in PrimesUpTo(2*10^5) | Set(Intseq(p)) subset [3, 6, 7]];
CROSSREFS
Cf. similar sequences listed in A260378.
Sequence in context: A386185 A386184 A386065 * A363667 A386187 A386068
KEYWORD
nonn,easy,base
AUTHOR
Vincenzo Librandi, Aug 01 2015
STATUS
approved