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A137012 Numbers k such that k and k^2 use only the digits 1, 2, 5 and 9. 0
1, 5, 11, 15, 1515 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Generated with DrScheme.

LINKS

Table of n, a(n) for n=1..5.

J. Wellons, Tables of Shared Digits

EXAMPLE

1515^2 = 2295225.

CROSSREFS

Sequence in context: A137008 A137010 A137007 * A259067 A314080 A337947

Adjacent sequences:  A137009 A137010 A137011 * A137013 A137014 A137015

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified September 26 15:53 EDT 2021. Contains 347668 sequences. (Running on oeis4.)