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A115546
Numbers k such that k^2 is the concatenation of two numbers 6*m and m.
0
857143, 1714286, 857142857142857142857142857142857142857142857143, 1714285714285714285714285714285714285714285714286
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..4.
EXAMPLE
857143^2 = 734694_122449.
CROSSREFS
Cf.
A102567
,
A106497
,
A115527
-
A115556
.
Sequence in context:
A103913
A151939
A172846
*
A233957
A224596
A175279
Adjacent sequences:
A115543
A115544
A115545
*
A115547
A115548
A115549
KEYWORD
nonn
,
base
AUTHOR
Giovanni Resta
, Jan 25 2006
EXTENSIONS
Definition modified by
Georg Fischer
, Jul 26 2019
STATUS
approved
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Last modified March 19 06:32 EDT 2024. Contains 370953 sequences. (Running on oeis4.)