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 A111116 Numbers n such that digits of n are not present in n^4. 11
 2, 3, 4, 7, 8, 9, 24, 27, 28, 32, 33, 42, 52, 53, 58, 59, 67, 77, 88, 89, 93, 202, 203, 258, 284, 303, 324, 329, 377, 383, 422, 669, 818, 832, 843, 878, 882, 887, 949, 2027, 2042, 2673, 3144, 3222, 3253, 3302, 3308, 3737, 3773, 3953, 3979, 3983, 4779, 5353, 5669 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The number of k-digit numbers for which this occurs is: 6,15,18,32,21,14,20,... LINKS Giovanni Resta, Table of n, a(n) for n = 1..179 (terms < 10^19, first 136 terms from Chai Wah Wu) MATHEMATICA Select[Range[6000], Intersection[IntegerDigits[ # ], IntegerDigits[ #^4]] == {} &] (* Ray Chandler, Oct 17 2005 *) fQ[n_] := Intersection[ Union[ IntegerDigits[n]], Union[ IntegerDigits[n^4]]] == {}; Select[ Range[ 5887], fQ[ # ] &] (* Robert G. Wilson v *) PROG (Python) A111116_list = [n for n in range(1, 10**6) if set(str(n)) & set(str(n**4)) == set()] # Chai Wah Wu, Jan 05 2015 CROSSREFS Cf. A029783, A029785. For the corresponding n^4, see A113316. Sequence in context: A112736 A059930 A125965 * A113318 A056033 A302123 Adjacent sequences:  A111113 A111114 A111115 * A111117 A111118 A111119 KEYWORD base,nonn,changed AUTHOR Lekraj Beedassy, Oct 15 2005 EXTENSIONS Corrected and extended by Robert G. Wilson v and Ray Chandler, Oct 17 2005 STATUS approved

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Last modified October 14 12:31 EDT 2019. Contains 328006 sequences. (Running on oeis4.)