

A214530


List of words over {1,7} with equal numbers of 1's and 7's.


2



17, 71, 1177, 1717, 1771, 7117, 7171, 7711, 111777, 117177, 117717, 117771, 171177, 171717, 171771, 177117, 177171, 177711, 711177, 711717, 711771, 717117, 717171, 717711, 771117, 771171, 771711, 777111
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OFFSET

1,1


COMMENTS



LINKS



MATHEMATICA

Sort[FromDigits/@Flatten[Table[Permutations[PadRight[{}, 2n, {1, 7}]], {n, 3}], 1]] (* Harvey P. Dale, Aug 30 2016 *)


CROSSREFS



KEYWORD

nonn,base,easy


AUTHOR



STATUS

approved



