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A050736
Numbers of form 6^k (values of k see A050727) containing no pair of consecutive equal digits (probably finite).
0
1, 6, 36, 216, 1296, 1679616, 362797056, 13060694016, 78364164096, 470184984576, 170581728179578208256
OFFSET
0,2
MATHEMATICA
Select[6^Range[0, 26], FreeQ[Differences[IntegerDigits[#]], 0]&] (* Harvey P. Dale, Jul 23 2018 *)
CROSSREFS
Sequence in context: A238936 A097681 A373282 * A196869 A172489 A033142
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Sep 15 1999
STATUS
approved