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A137016 Numbers k such that k and k^2 use only the digits 1, 2, 6, 8 and 9. 1
1, 9, 11, 91, 96, 261, 911, 1291, 1619, 2986, 16989, 26291, 81619, 92896, 126969, 128891, 162161, 298161, 928881, 2861291, 16162296, 16988869, 26289291, 28616119, 29696296, 81669261, 82866881, 92888219, 129196989, 129221619, 129696296, 169298896, 261186296, 286692896, 286698661, 296981969, 298199281, 299981881, 299982161, 829619261 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Generated with DrScheme.

LINKS

Jonathan Wellons, Table of n, a(n) for n = 1..230

J. Wellons, Tables of Shared Digits

EXAMPLE

981269161281291^2 = 962889166881688288212826626681.

CROSSREFS

Sequence in context: A038301 A277998 A289288 * A053886 A137020 A058304

Adjacent sequences:  A137013 A137014 A137015 * A137017 A137018 A137019

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified September 25 12:38 EDT 2021. Contains 347654 sequences. (Running on oeis4.)