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A136918 Numbers k such that k and k^2 use only the digits 0, 2, 5 and 8. 1
0, 5, 50, 500, 505, 2255, 5000, 5005, 5050, 22550, 50000, 50005, 50050, 50500, 50555, 225500, 225505, 500000, 500005, 500050, 500500, 500505, 505000, 505550, 505555, 508805, 2255000, 2255050, 5000000, 5000005, 5000050, 5000500, 5000505, 5002255, 5005000, 5005050, 5005555, 5050000, 5050005, 5052255, 5055500, 5055550, 5088050, 22550000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Generated with DrScheme.

LINKS

Jonathan Wellons, Table of n, a(n) for n = 1..860

J. Wellons, Tables of Shared Digits

EXAMPLE

505000500500005^2 = 255025505505255550255005000025.

CROSSREFS

Sequence in context: A228751 A299868 A136915 * A136910 A267663 A093143

Adjacent sequences:  A136915 A136916 A136917 * A136919 A136920 A136921

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified December 2 20:25 EST 2021. Contains 349445 sequences. (Running on oeis4.)