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A057878 Primes with 2 distinct digits that remain prime (no leading zeros allowed) after deleting all occurrences of its digits d. 1
23, 37, 53, 73, 113, 131, 151, 211, 311, 11111111111111111131, 11111111111111117111, 11111111111131111111, 11111111131111111111, 111111111111111111111113, 111111111111111112111111 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A057876-A057883, A004022, A004023, A051362, A034302-A034305.

Sequence in context: A244282 A051362 A034302 * A019549 A272157 A129800

Adjacent sequences:  A057875 A057876 A057877 * A057879 A057880 A057881

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Oct 15 2000.

STATUS

approved

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Last modified July 21 02:02 EDT 2019. Contains 325189 sequences. (Running on oeis4.)