A136949 Numbers k such that k and k^2 use only the digits 0, 4, 5, 6 and 8.

0, 8, 80, 800, 8000, 80000, 80408, 800000, 804080, 6844008, 8000000, 8040800, 8066008, 68440080, 80000000, 80408000, 80650508, 80660080, 684400800, 800000000, 804080000, 806505080, 806600800, 6844008000, 8000000000, 8040800000, 8065050800, 8066008000, 68440080000, 80000000000, 80405566008, 80408000000, 80650508000

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..83

J. Wellons, Tables of Shared Digits [archived]

Example

804080645865008^2 = 646545685054688406888558840064.

Crossrefs

Sequence in context: A291181 A155144 A299871 * A346178 A102592 A345081

Adjacent sequences: A136946 A136947 A136948 * A136950 A136951 A136952

Keyword

base,nonn,changed

Author

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

Status

approved