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A137064 Numbers n such that n and the square of n use only the digits 1, 6, 7 and 8. 0
1, 881, 88776, 7866881 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Generated with DrScheme

LINKS

J. Wellons, Tables of Shared Digits

EXAMPLE

7866881^2 = 61887816668161

CROSSREFS

Sequence in context: A024393 A006052 A105976 * A092675 A135127 A035758

Adjacent sequences:  A137061 A137062 A137063 * A137065 A137066 A137067

KEYWORD

base,nonn

AUTHOR

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

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Last modified February 14 06:58 EST 2012. Contains 205577 sequences.