A136811 Numbers k such that k and k^2 use only the digits 0, 1, 2, 3 and 5.

0, 1, 5, 10, 11, 15, 35, 50, 55, 100, 101, 105, 110, 111, 115, 150, 235, 335, 350, 351, 500, 501, 505, 550, 1000, 1001, 1005, 1010, 1011, 1015, 1050, 1055, 1100, 1101, 1105, 1110, 1150, 1235, 1500, 1501, 2305, 2350, 3211, 3335, 3350, 3500, 3510, 3515, 5000, 5001, 5005, 5010, 5011, 5015, 5035, 5050, 5055, 5500, 5505, 10000, 10001, 10005, 10010, 10011, 10015

Offset

1,3

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..1227

J. Wellons, Tables of Shared Digits [archived]

Example

50530501^2 = 2553331531311001.

Mathematica

With[{c={0, 1, 2, 3, 5}}, Select[FromDigits/@Tuples[c, 5], SubsetQ[c, IntegerDigits[#^2]]&]] (* Harvey P. Dale, Jun 25 2023 *)

Crossrefs

Sequence in context: A225838 A036788 A351327 * A130228 A136826 A136825

Adjacent sequences: A136808 A136809 A136810 * A136812 A136813 A136814

Keyword

base,nonn

Author

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

Status

approved