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A136927
Numbers k such that k and k^2 use only the digits 0, 3, 4, 5 and 6.
1
0, 6, 60, 66, 600, 656, 660, 666, 6000, 6560, 6600, 6660, 6666, 60000, 63566, 65600, 66000, 66600, 66660, 66666, 600000, 603656, 604434, 635660, 656000, 660000, 660656, 666000, 666600, 666660, 666666, 6000000, 6036560, 6044340, 6356600, 6560000, 6600000, 6606560, 6660000, 6666000, 6666600, 6666660, 6666666, 60000000, 60054434, 60365600
OFFSET
1,2
COMMENTS
Generated with DrScheme.
See also A058429-A058430. - M. F. Hasler, Jan 24 2008
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
665605465350506^2 = 443030635504463643353434456036.
MATHEMATICA
With[{c={0, 3, 4, 5, 6}, nn=8}, Select[FromDigits/@Tuples[c, nn], SubsetQ[ c, IntegerDigits[ #^2]]&]] (* Harvey P. Dale, Apr 27 2022 *)
CROSSREFS
Sequence in context: A173904 A308413 A204093 * A335202 A061475 A295830
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved