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A136855 Numbers k such that k and k^2 use only the digits 0, 1, 4, 5 and 6. 1
0, 1, 4, 10, 40, 100, 400, 1000, 1051, 4000, 4051, 6416, 6451, 6454, 10000, 10510, 40000, 40510, 64160, 64510, 64540, 100000, 100501, 100504, 105100, 400000, 400501, 405100, 641600, 645100, 645400, 664116, 664466, 664504, 1000000, 1005010, 1005040, 1051000, 1051454, 1054116, 4000000, 4001451, 4005010, 4051000, 4051551, 4056546, 4056551 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Generated with DrScheme.
LINKS
Jonathan Wellons, Tables of Shared Digits
EXAMPLE
405604056501616^2 = 164514650650566104560610611456.
CROSSREFS
Cf. A000290.
Sequence in context: A100307 A238721 A077811 * A136860 A136859 A051479
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved

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Last modified July 12 14:24 EDT 2024. Contains 374251 sequences. (Running on oeis4.)