Smallest number m >= 10^floor(n/2) such that m^2 == 1 mod 10^n.
1, 49, 249, 1249, 18751, 218751, 781249, 24218751, 74218751, 1425781249
9 seqfan posts
Thu Nov 4 20:02:50 CET 2010 [seqfan] Re: correcting A181539
Thu Nov 4 16:17:01 CET 2010 [seqfan] Re: correcting A181539
Thu Nov 4 07:39:55 CET 2010 [seqfan] Re: correcting A181539
Thu Nov 4 07:02:41 CET 2010 [seqfan] Re: correcting A181539
Wed Nov 3 16:51:10 CET 2010 [seqfan] Re: correcting A181539
Wed Nov 3 15:44:23 CET 2010 [seqfan] Re: correcting A181539
Wed Nov 3 14:47:07 CET 2010 [seqfan] Re: correcting A181539
Wed Nov 3 14:47:07 CET 2010 [seqfan] Re: correcting A181539
Wed Nov 3 13:29:25 CET 2010 [seqfan] correcting A181539
Index of A-numbers in seqfan: by ascending order
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