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A136881 Numbers k such that k and k^2 use only the digits 0, 1, 8 and 9. 1
0, 1, 9, 10, 90, 99, 100, 109, 900, 901, 990, 999, 1000, 1009, 1090, 9000, 9001, 9010, 9900, 9990, 9999, 10000, 10009, 10090, 10099, 10900, 90000, 90001, 90010, 90100, 99000, 99001, 99900, 99990, 99999, 100000, 100009, 100090, 100099, 100900, 100901, 100990, 109000, 900000, 900001, 900010, 900100, 901000, 990000, 990001, 990010, 999000, 999099 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
901000009990001^2 = 811801018001981901800119980001.
CROSSREFS
Sequence in context: A136879 A136880 A136874 * A333402 A360947 A248306
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved

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Last modified May 21 15:47 EDT 2024. Contains 372738 sequences. (Running on oeis4.)