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A053914 Numbers k such that k^2 contains only digits {1,8,9}. 1
1, 3, 9, 109, 141, 10583, 34641, 44510583, 105741141, 942926927083, 4346471925583, 2969848344609859 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Author?, Source, (txt)
CROSSREFS
Cf. A053915.
Sequence in context: A340483 A018746 A289070 * A018757 A281070 A261245
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
One more term from Jon E. Schoenfield, Sep 03 2006
One more term from Mishima's webpage added by Max Alekseyev, Jan 28 2012
STATUS
approved

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Last modified June 16 08:45 EDT 2024. Contains 373424 sequences. (Running on oeis4.)