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A136937
Numbers k such that k and k^2 use only the digits 0, 3, 5, 6 and 7.
1
0, 6, 60, 76, 600, 760, 6000, 7306, 7600, 55076, 57756, 60000, 73060, 76000, 550760, 577560, 600000, 730600, 760000, 5507600, 5536756, 5775600, 6000000, 6055306, 7306000, 7600000, 7770306, 55076000, 55077766, 55367560, 57756000, 60000000, 60053066, 60553006, 60553060, 60553756, 70737376, 73050006, 73060000, 75057756, 75076666, 75303756
OFFSET
1,2
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
753503573756376^2 = 567767635663630366635000653376.
MATHEMATICA
With[{d={0, 3, 5, 6, 7}}, Select[FromDigits/@Tuples[d, 8], SubsetQ[ d, IntegerDigits[ #^2]]&]] (* Harvey P. Dale, Apr 16 2015 *)
CROSSREFS
Sequence in context: A061475 A295830 A335937 * A295829 A074452 A168618
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved