A137067 Numbers k such that k and k^2 use only the digits 2, 3, 4, 5 and 6.

2, 5, 6, 25, 65, 66, 235, 256, 665, 666, 2335, 2535, 6665, 6666, 23335, 23525, 23566, 66665, 66666, 233335, 235462, 254235, 255465, 652244, 665256, 666665, 666666, 2333335, 2335432, 2335666, 2354235, 2534432, 2534665, 2536656, 2554262, 6523462, 6524235, 6652242, 6666665, 6666666, 23333335, 23352656, 23354365, 23523462, 23546665

Offset: 1

Author

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

Keywords

• base
• nonn

Comments

Generated with DrScheme.

Examples

			254256454243235^2 = 64646344524342253236543265225.
		

Links

• Jonathan Wellons, Table of n, a(n) for n = 1..329
• J. Wellons, Tables of Shared Digits [archived]