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A137139 Numbers n such that n and the square of n use only the digits 4, 5, 6 and 7. +0
1
74, 76, 74476, 74474476 (list; graph; listen)
OFFSET

1,1

COMMENT

Generated with DrScheme

LINKS

J. Wellons, Tables of Shared Digits

EXAMPLE

74474476^2 = 5546447575474576

CROSSREFS

Adjacent sequences: A137136 A137137 A137138 this_sequence A137140 A137141 A137142

Sequence in context: A114969 A104421 A136948 this_sequence A095569 A055111 A020203

KEYWORD

base,nonn

AUTHOR

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

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.


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