A200066 Marks found on the Ishango bone in nondecreasing order.
3, 4, 5, 5, 6, 7, 8, 9, 10, 11, 11, 13, 17, 19, 19, 21
Offset: 1
Examples
The three columns (or rows) of the Ishango bone are [3, 6, 4, 8, 10, 5, 5, 7], [11, 13, 17, 19], [11, 21, 19, 9]. Or [11, 13, 17, 19], [11, 21, 19, 9], [3, 6, 4, 8, 10, 5, 5, 7]. Or [11, 21, 19, 9], [3, 6, 4, 8, 10, 5, 5, 7], [11, 13, 17, 19]. In reverse order, the three columns (or rows) are [9, 19, 21, 11], [19, 17, 13, 11], [7, 5, 5, 10, 8, 4, 6, 3]. Or [19, 17, 13, 11], [7, 5, 5, 10, 8, 4, 6, 3], [9, 19, 21, 11]. Or [7, 5, 5, 10, 8, 4, 6, 3], [9, 19, 21, 11], [19, 17, 13, 11].
References
- M. Grousson, "Depuis quand compte-t-on ?" in 'Science & Vie', pp. 58-61, No. 1080 2007 Mondadori/Excelsior Publications Paris.
- D. Huylebrouck, "L'Afrique, berceau des mathématiques", in Mathématiques exotiques pp. 46-50, Dossier No. 47, Pour La Science 2005 Paris.
- D. Huylebrouck and V. Pletser, The Ishango artifact: the missing base 12 link, Proc. Katachi Univ. Symmetry Congress (KUS2), Paper C11, Tsukuba Univ., Japan, 18 Nov. 1999; Forma 14-4, 339-346.
- G. G. Joseph, The Crest of the Peacock: Non-European Roots of Mathematics, Penguin Books, London, 1992.
- Richard Mankiewicz, The Story of Mathematics, Weidenfeld Nicolson Illustrated; New Ed edition (September 13, 2001).
- D. Olivastro, Ancient Puzzles, Chap. 1 "The First Etches" pp. 7-30 Bantam Books NY 1993.
- Claudia Zaslavsky, Africa Counts, Lawrence Hill Books, New York, 1973.
Links
- AfricaMaat, Africa: The true cradle of mathematical sciences [broken/unusable link]
- J. Bogoshi, K. Naidoo and J. Webb, 71.36 The oldest mathematical artifact, Math. Gazette, 71:458 (1987) 294.
- Brussels Museum for Natural Sciences, The Ishango Bone Exhibition.
- C. K. Caldwell, The Prime Glossary, Ishango bone
- Wikipedia, Ishango bone
- S. W. Williams, Mathematicians of the Africa diaspora. Ishango bone
Crossrefs
Cf. A100000.
Comments