Middle column of marks found on the oldest object with logical carvings, the 22000-year-old Ishango bone from the Congo.
3, 6, 4, 8, 10, 5, 5,
3 seqfan posts
Mon Nov 14 21:10:34 CET 2011 [seqfan] A200000
Mon Nov 14 19:56:51 CET 2011 [seqfan] Re: A200000
Mon Nov 14 11:34:31 CET 2011 [seqfan] A200000
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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