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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

Table of n, a(n) for n=1..12.

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

Author?, Source, (txt)

H. Mishima, Sporadic tridigital solutions

CROSSREFS

Cf. A053915.

Sequence in context: A340483 A018746 A289070 * A018757 A281070 A261245

Adjacent sequences:  A053911 A053912 A053913 * A053915 A053916 A053917

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 August 10 06:08 EDT 2022. Contains 356029 sequences. (Running on oeis4.)