Period of continued fraction for square root of n (or 0 if n is a square).
0, 1, 2, 0, 1, 2, 4, 2, 0, 1, 2, 2, 5, 4, 2, 0, 1, 2, 6, 2, 6, 6, 4, 2, 0, 1, 2, 4, 5, 2, 8, 4, 4, 4
1 seqfan posts
Thu Mar 18 19:42:47 CET 2010 [seqfan] Re: A078198 erroneous?