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A136853 Numbers n such that n and the square of n use only the digits 0, 1, 3 and 9. 0
0, 1, 3, 10, 30, 100, 300, 1000, 3000, 10000, 30000, 100000, 300000, 1000000, 3000000, 10000000, 30000000, 100000000, 300000000, 1000000000, 3000000000, 10000000000, 30000000000, 100000000000, 300000000000, 1000000000000, 3000000000000, 10000000000000, 30000000000000, 100000000000000, 300000000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Generated with DrScheme

LINKS

Table of n, a(n) for n=1..31.

J. Wellons, Tables of Shared Digits

EXAMPLE

300000000000000^2 = 90000000000000000000000000000

CROSSREFS

Sequence in context: A136841 A136846 A004663 * A218964 A218962 A215287

Adjacent sequences:  A136850 A136851 A136852 * A136854 A136855 A136856

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified December 4 21:33 EST 2016. Contains 278755 sequences.