A136946 Numbers k such that k and k^2 use only the digits 0, 3, 6 and 9.

0, 3, 6, 30, 60, 63, 300, 306, 600, 603, 630, 3000, 3006, 3060, 6000, 6003, 6030, 6300, 30000, 30006, 30060, 30600, 60000, 60003, 60030, 60300, 63000, 300000, 300006, 300060, 300600, 306000, 600000, 600003, 600030, 600300, 603000, 630000, 3000000, 3000006, 3000060, 3000600, 3006000, 3060000, 6000000, 6000003, 6000030, 6000300, 6003000

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..362

J. Wellons, Tables of Shared Digits [archived]

Example

969360630000000^2 = 939660030993996900000000000000.

Crossrefs

Sequence in context: A136894 A136939 A136944 * A125521 A211168 A355989

Adjacent sequences: A136943 A136944 A136945 * A136947 A136948 A136949

Keyword

base,nonn

Author

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

Status

approved