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A136820 Numbers n such that n and the square of n use only the digits 0, 1, 2, 4 and 8. 2
0, 1, 2, 10, 11, 12, 20, 21, 22, 100, 101, 102, 110, 120, 122, 200, 201, 202, 210, 220, 221, 1000, 1001, 1002, 1010, 1011, 1012, 1020, 1021, 1022, 1100, 1101, 1102, 1200, 1201, 1202, 1220, 1422, 1488, 2000, 2001, 2002, 2010, 2011, 2012, 2020, 2021, 2022, 2100, 2101, 2102, 2200, 2201, 2202, 2210, 2848, 4488, 10000, 10001, 10002, 10010, 10011, 10012, 10020 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Generated with DrScheme

LINKS

Jonathan Wellons, Table of n, a(n) for n=1..1047

J. Wellons, Tables of Shared Digits

EXAMPLE

20284201^2 = 411448810208401

CROSSREFS

Sequence in context: A158304 A007089 A159952 * A256437 A136810 A136821

Adjacent sequences:  A136817 A136818 A136819 * A136821 A136822 A136823

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified June 25 22:27 EDT 2019. Contains 324364 sequences. (Running on oeis4.)