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A058454 Squares composed of digits {0,7,9}, not ending with zero. 1
9, 77777799799099990007000790009009 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A058453.
Sequence in context: A058434 A067487 A058448 * A058472 A058474 A285476
KEYWORD
nonn,base,hard,more,bref
AUTHOR
Patrick De Geest, Nov 15 2000
STATUS
approved

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)