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A137092 Numbers k such that k and k^2 use only the digits 2, 3, 7, 8 and 9. 1
3, 27, 2973, 2983, 88223, 88277, 298327, 299833, 993923, 2978923, 9893323, 9939277, 27978277, 28773233, 28798233, 28978923, 29729327, 29828223, 29983327, 29998333, 88283233, 93989323, 98887733, 98893323, 287989233, 289799827, 297293327, 298978223, 887299233, 893293277, 989339827, 989893923, 2787979327, 2827328923 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Generated with DrScheme.

LINKS

Jonathan Wellons, Table of n, a(n) for n = 1..182

J. Wellons, Tables of Shared Digits

EXAMPLE

893797389732927^2 = 798873773893393799392387987329.

CROSSREFS

Sequence in context: A158113 A078233 A009039 * A122215 A122217 A316368

Adjacent sequences:  A137089 A137090 A137091 * A137093 A137094 A137095

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified September 17 03:42 EDT 2021. Contains 347478 sequences. (Running on oeis4.)