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The ratios a(n+1)/a(n) from n>=1 onward start as 2,3,2,2,3,2,2,3,2,3,2,...
Table of n, a(n) for n=0..12.
Sequence in context: A122863 A170935 A163264 * A180071 A034882 A175943
Adjacent sequences: A163892 A163893 A163894 * A163896 A163897 A163898
Antti Karttunen, Sep 19 2009