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A137000 Numbers k such that k and k^2 use only the digits 1, 2, 4, 8 and 9. 1
1, 2, 9, 11, 12, 21, 22, 29, 91, 122, 141, 212, 221, 222, 288, 441, 911, 921, 1118, 1191, 1488, 2212, 2988, 11141, 11882, 14829, 21212, 22229, 42921, 49441, 49829, 49891, 122182, 141118, 141421, 221911, 491141, 491212, 498891, 498928, 498941, 921911, 992421, 1114891, 1411428, 2211882, 2212288, 2981428, 2988118, 4911122, 4911428, 4921882 (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..666

J. Wellons, Tables of Shared Digits

EXAMPLE

942984212484191^2 = 889219224994429881419424924481.

CROSSREFS

Sequence in context: A207670 A176545 A072065 * A073634 A065554 A034042

Adjacent sequences:  A136997 A136998 A136999 * A137001 A137002 A137003

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified October 28 04:24 EDT 2021. Contains 348313 sequences. (Running on oeis4.)