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A136869 Numbers k such that k and k^2 use only the digits 0, 1, 5, 6 and 7. 1
0, 1, 10, 76, 100, 760, 1000, 1076, 7551, 7600, 10000, 10760, 75510, 76000, 100000, 107600, 107776, 707501, 751666, 755100, 760000, 1000000, 1005076, 1076000, 1077551, 1077760, 1077776, 7075010, 7177051, 7516660, 7551000, 7557551, 7600000, 10000000, 10007551, 10050760, 10760000, 10775510, 10777551, 10777600, 10777760, 70750100 (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..516

J. Wellons, Tables of Shared Digits

EXAMPLE

751705767011076^2 = 565061560157710075150706677776.

CROSSREFS

Sequence in context: A025015 A228416 A049392 * A108277 A061319 A223994

Adjacent sequences:  A136866 A136867 A136868 * A136870 A136871 A136872

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified October 20 20:57 EDT 2021. Contains 348119 sequences. (Running on oeis4.)