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A137057 Numbers n such that n and the square of n use only the digits 1, 4, 7 and 8. 0
1, 88, 4141, 8878 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Generated with DrScheme

LINKS

Table of n, a(n) for n=1..4.

J. Wellons, Tables of Shared Digits

EXAMPLE

4141^2 = 17147881

CROSSREFS

Sequence in context: A035739 A035807 A017751 * A197321 A004391 A281985

Adjacent sequences:  A137054 A137055 A137056 * A137058 A137059 A137060

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified September 19 04:32 EDT 2020. Contains 337175 sequences. (Running on oeis4.)