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A136850 Numbers k such that k and k^2 use only the digits 0, 1, 3, 6 and 9. 1
0, 1, 3, 6, 10, 13, 19, 30, 31, 60, 63, 100, 103, 130, 190, 199, 300, 301, 306, 310, 369, 600, 603, 630, 1000, 1003, 1030, 1300, 1900, 1990, 1999, 3000, 3001, 3006, 3010, 3060, 3100, 3690, 6000, 6003, 6030, 6300, 10000, 10003, 10030, 10300, 10301, 13000, 19000, 19900, 19990, 19999, 30000, 30001, 30006, 30010, 30060, 30100, 30103, 30600, 31000, 31131 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Generated with DrScheme.
LINKS
EXAMPLE
310960393031^2 = 96696366033993993366961.
CROSSREFS
Sequence in context: A189368 A128039 A027428 * A079248 A280774 A083505
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)