A136883 Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 6.

0, 2, 6, 20, 60, 200, 206, 600, 602, 2000, 2006, 2060, 6000, 6002, 6020, 6344, 20000, 20006, 20060, 20600, 20602, 60000, 60002, 60020, 60200, 63440, 200000, 200006, 200060, 200600, 206000, 206020, 600000, 600002, 600020, 600200, 602000, 603606, 634400, 2000000, 2000006, 2000060, 2000600, 2006000, 2006002, 2060000, 2060200, 2462442

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..527

J. Wellons, Tables of Shared Digits [archived]

Example

603626236343602^2 = 364364633202342060002206334404.

Crossrefs

Sequence in context: A081251 A134293 A363107 * A289173 A057766 A132353

Adjacent sequences: A136880 A136881 A136882 * A136884 A136885 A136886

Keyword

base,nonn

Author

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

Status

approved