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A053942
Numbers k such that k^2 contains only digits {3,4,9}.
1
2, 3, 7, 212, 2107, 586893, 658357, 185605616817891584607
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..8.
P. De Geest,
Squares containing at most three distinct digits, Index entries for related sequences
H. Mishima
Squares consisted of 3 different digits
[From
Max Alekseyev
, Mar 10 2009]
CROSSREFS
Cf.
A053943
.
Sequence in context:
A130060
A224894
A266269
*
A053954
A063869
A079637
Adjacent sequences:
A053939
A053940
A053941
*
A053943
A053944
A053945
KEYWORD
nonn
,
base
,
more
AUTHOR
Patrick De Geest
, Mar 15 2000
EXTENSIONS
185605616817891584607 from Mishima's page added by
Max Alekseyev
, Mar 10 2009
STATUS
approved
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Last modified March 29 09:32 EDT 2024. Contains 371268 sequences. (Running on oeis4.)