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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
OFFSET
1,1
EXAMPLE
857143^2 = 734694_122449.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Jan 25 2006
EXTENSIONS
Definition modified by Georg Fischer, Jul 26 2019
STATUS
approved