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A136821 Numbers n such that n and the square of n use only the digits 0, 1, 2, 4 and 9. 2
0, 1, 2, 10, 11, 12, 20, 21, 49, 100, 101, 102, 110, 120, 149, 200, 201, 210, 212, 490, 499, 1000, 1001, 1002, 1010, 1011, 1012, 1020, 1021, 1049, 1100, 1101, 1102, 1200, 1201, 1411, 1421, 1429, 1490, 2000, 2001, 2010, 2011, 2100, 2101, 2120, 4499, 4900, 4990, 4999, 10000, 10001, 10002, 10010, 10011, 10012, 10020, 10021, 10100, 10110, 10120, 10200, 10210 (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..1064

J. Wellons, Tables of Shared Digits

EXAMPLE

490940149^2 = 241022229900142201

CROSSREFS

Sequence in context: A136820 A256437 A136810 * A105116 A136819 A136816

Adjacent sequences:  A136818 A136819 A136820 * A136822 A136823 A136824

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified June 25 23:52 EDT 2019. Contains 324367 sequences. (Running on oeis4.)