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A136908 Numbers k such that k and k^2 use only the digits 0, 2, 4 and 8. 1
0, 2, 20, 22, 200, 202, 220, 2000, 2002, 2020, 2022, 2200, 2202, 20000, 20002, 20020, 20022, 20200, 20220, 22000, 22002, 22020, 200000, 200002, 200020, 200022, 200200, 200202, 200220, 202000, 202002, 202200, 220000, 220002, 220020, 220200, 2000000, 2000002, 2000020, 2000022, 2000200, 2000202, 2000220, 2002000, 2002020, 2002200, 2020000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
202002000200202^2 = 40804808084882408848080840804.
CROSSREFS
Sequence in context: A136909 A169965 A202170 * A196748 A144674 A144673
KEYWORD
base,nonn,changed
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved

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Last modified April 17 05:47 EDT 2024. Contains 371756 sequences. (Running on oeis4.)