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A058467
Numbers k such that k^2 contains only digits {3,8,9}.
1
3, 583, 58167, 58295281833, 199974958167
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..5.
P. De Geest,
Index to related sequences
Hisanori Mishima,
Sporadic tridigital solutions
CROSSREFS
Cf.
A058468
.
Sequence in context:
A087574
A153402
A121043
*
A137136
A137126
A264675
Adjacent sequences:
A058464
A058465
A058466
*
A058468
A058469
A058470
KEYWORD
nonn
,
base
,
hard
,
more
AUTHOR
Patrick De Geest
, Nov 15 2000
STATUS
approved
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Last modified July 7 07:19 EDT 2024. Contains 374063 sequences. (Running on oeis4.)