A137062 Numbers k such that k and k^2 use only the digits 1, 5, 6, 8 and 9.

1, 9, 81, 816, 959, 8119, 9959, 81186, 81619, 811891, 816186, 816619, 956619, 8185169, 81169669, 81558666, 95685169, 816516186, 956659119, 8116968986, 8118866669, 8161616669, 8166516186, 8166816186, 9566566186, 9568696666, 9585851866, 9955811669, 9995581859, 81188661891, 81618616866, 81619966666, 811696966669, 811696985869

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..76

J. Wellons, Tables of Shared Digits [archived]

Example

815895615681881^2 = 665685655688915661168591698161.

Crossrefs

Sequence in context: A338727 A199689 A181581 * A001514 A077364 A077486

Adjacent sequences: A137059 A137060 A137061 * A137063 A137064 A137065

Keyword

base,nonn

Author

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

Status

approved