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A053905
Squares composed of digits {1,5,8}.
2
1, 81, 11881, 88118818815155881, 18851515118581858155155881, 11555185818155188818511188881585888881, 5818888111118115811551585855811558551185881
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..7.
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
, May 21 2009]
CROSSREFS
Cf.
A053904
.
Sequence in context:
A058422
A053913
A053895
*
A184690
A143005
A187432
Adjacent sequences:
A053902
A053903
A053904
*
A053906
A053907
A053908
KEYWORD
nonn
,
base
,
changed
AUTHOR
Patrick De Geest
, Mar 15 2000
EXTENSIONS
One more term from
Jon E. Schoenfield
, Sep 03 2006
Two more terms from Mishima's webpage added by
Max Alekseyev
, May 21 2009
STATUS
approved
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Last modified August 14 19:51 EDT 2024. Contains 375167 sequences. (Running on oeis4.)