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

1,1

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..329

J. Wellons, Tables of Shared Digits [archived]

Example

254256454243235^2 = 64646344524342253236543265225.

Crossrefs

Sequence in context: A178924 A303659 A250546 * A214200 A273924 A008555

Adjacent sequences: A137064 A137065 A137066 * A137068 A137069 A137070

Keyword

base,nonn,changed

Author

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

Status

approved