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 A253576 Primes p such that digits of p do not appear in p^7. 2
 3, 7, 43, 7757, 31333 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(6)> 10^7. a(6) > 10^9. - Chai Wah Wu, Jan 05 2015 LINKS EXAMPLE 3 and 3^7 = 2187 have no digits in common, hence 3 is in the sequence. MATHEMATICA Select[Prime[Range[1000000]], Intersection[IntegerDigits[#], IntegerDigits[#^7]]=={} &] PROG (Python) from sympy import isprime A253576_list = [n for n in range(1, 10**6) if set(str(n)) & set(str(n**7)) == set() and isprime(n)] # Chai Wah Wu, Jan 05 2015 CROSSREFS Cf. similar sequences listed in A253574. Sequence in context: A050639 A280717 A100837 * A328690 A019011 A036842 Adjacent sequences:  A253573 A253574 A253575 * A253577 A253578 A253579 KEYWORD nonn,base,more AUTHOR Vincenzo Librandi, Jan 04 2015 STATUS approved

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Last modified May 16 04:38 EDT 2022. Contains 353688 sequences. (Running on oeis4.)