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Search: id:A137029
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A137029 Numbers n such that n and the square of n use only the digits 1, 3, 4, 7 and 9. +0
1
1, 3, 7, 19479, 134143, 379143, 439479, 971479, 1199143, 37917979, 97339479, 199434143, 314917979, 413934143, 443979479, 974379143, 1191399143, 1979379143, 3799934143, 4439979479, 13943149479, 34317917979, 199949471479, 3119999114479, 3791347379143, 4139944979479, 4379419449479, 4447177949143, 9997174339479 (list; graph; listen)
OFFSET

1,2

COMMENT

Generated with DrScheme

LINKS

Jonathan Wellons, Table of n, a(n) for n=1..35

J. Wellons, Tables of Shared Digits

EXAMPLE

141399141934143^2 = 19993717339711917414949144449

CROSSREFS

Sequence in context: A062625 A101006 A083461 this_sequence A137125 A103319 A153021

Adjacent sequences: A137026 A137027 A137028 this_sequence A137030 A137031 A137032

KEYWORD

base,nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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