A136942 Numbers k such that k and k^2 use only the digits 0, 3, 5 and 9.

0, 3, 30, 300, 3000, 30000, 300000, 550503, 3000000, 5505030, 30000000, 55050300, 300000000, 550503000, 3000000000, 5505030000, 30000000000, 55050300000, 300000000000, 550500050003, 550503000000, 3000000000000, 3000505050003, 5505000500030, 5505030000000, 30000000000000, 30005050500030, 55050005000003

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..35

J. Wellons, Tables of Shared Digits [archived]

Example

3000505050003^2 = 9003030555093505530300009.

Crossrefs

Sequence in context: A136940 A136929 A136935 * A136947 A093138 A361896

Adjacent sequences: A136939 A136940 A136941 * A136943 A136944 A136945

Keyword

base,nonn

Author

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

Status

approved