A136937 Numbers k such that k and k^2 use only the digits 0, 3, 5, 6 and 7.

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

Jonathan Wellons, Table of n, a(n) for n = 1..587

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

Adjacent sequences: A136934 A136935 A136936 * A136938 A136939 A136940

Keyword

base,nonn,changed

Author

Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

Status

approved