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A115544
Numbers k such that k^2 is the concatenation of two numbers m and 6*m.
0
4, 142857142857142857142857142857142858, 285714285714285714285714285714285716, 142857142857142857142857142857142857142857142857142857142857142857142857142858
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..4.
EXAMPLE
4^2 = 1_6.
CROSSREFS
Cf.
A102567
,
A106497
,
A115527
-
A115556
.
Sequence in context:
A266200
A066546
A132653
*
A164797
A336587
A336586
Adjacent sequences:
A115541
A115542
A115543
*
A115545
A115546
A115547
KEYWORD
nonn
,
base
AUTHOR
Giovanni Resta
, Jan 25 2006
STATUS
approved
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Last modified April 24 07:22 EDT 2024. Contains 371922 sequences. (Running on oeis4.)