|
|
A137099
|
|
Numbers k such that k and k^2 use only the digits 2, 4, 5, 8 and 9.
|
|
1
|
|
|
2, 5, 22, 222, 288, 49522, 49828, 229888, 495222, 499228, 499522, 992585, 2292585, 2298882, 2448522, 2924522, 4944282, 4988485, 4989888, 4995222, 4995282, 4998485, 9449828, 9929222, 22259828, 29825485, 49425585, 49449828, 49824522, 49858228, 49898882, 49925888, 49948522, 49958228, 49984222, 49992585, 49995222, 49995282, 94459282
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Generated with DrScheme.
|
|
LINKS
|
|
|
EXAMPLE
|
945985858554585^2 = 894889244585255298425424522225.
|
|
CROSSREFS
|
|
|
KEYWORD
|
base,nonn,changed
|
|
AUTHOR
|
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
|
|
STATUS
|
approved
|
|
|
|