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A058419 Numbers k such that k^2 contains only digits {0,1,7}, not ending with zero. 1
1, 27749, 8427200114569499 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Cf. A058420.
Sequence in context: A358414 A096027 A249000 * A235208 A251494 A327962
KEYWORD
nonn,base,hard,more,bref
AUTHOR
Patrick De Geest, Nov 15 2000
STATUS
approved

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Last modified July 24 23:56 EDT 2024. Contains 374585 sequences. (Running on oeis4.)