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A145825
a(n) is in A145818 such that (4n-1-a(n))/2 is in A145818 as well
0
1, 5, 1, 5, 17, 21, 17, 21, 1, 5, 1, 5, 17, 21, 17, 21, 65, 69, 65, 69, 81, 85, 81, 85, 65, 69, 65, 69
OFFSET
1,2
COMMENTS
Note that a(4n)=a(4n-2), a(4n-1)=a(4n-3).
KEYWORD
nonn
AUTHOR
Vladimir Shevelev, Oct 20 2008
STATUS
approved