A136882 Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 5.

0, 2, 5, 20, 45, 50, 55, 200, 205, 235, 450, 452, 500, 502, 505, 550, 2000, 2005, 2050, 2055, 2245, 2335, 2350, 4500, 4520, 5000, 5002, 5005, 5020, 5045, 5050, 5055, 5500, 5505, 20000, 20005, 20050, 20055, 20500, 20502, 20505, 20550, 22450, 23245, 23335, 23350, 23500, 23502, 45000, 45005, 45200, 45305, 50000, 50002, 50005, 50020, 50045, 50050, 50055

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..1406

J. Wellons, Tables of Shared Digits [archived]

Example

5043245235^2 = 25434322500350205225.

Mathematica

With[{c={0, 2, 3, 4, 5}}, Select[FromDigits/@Tuples[c, 5], SubsetQ[ c, IntegerDigits[ #^2]]&]] (* Harvey P. Dale, May 25 2019 *)

Crossrefs

Sequence in context: A176042 A185593 A136899 * A136901 A136897 A098510

Adjacent sequences: A136879 A136880 A136881 * A136883 A136884 A136885

Keyword

base,nonn

Author

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

Status

approved