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Search: id:A089839
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| A089839 |
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Array A(x,y): (read as A(0,0), A(1,0), A(0,1), A(2,0), A(1,1), A(0,2), A(3,0), A(2,1), A(1,2), A(0,3),...) Position of the composition A089840[y] o A089840[x] in the table A089840. |
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19
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| 0, 1, 1, 2, 0, 2, 3, 14, 19, 3, 4, 15, 0, 21, 4, 5, 16, 6, 4, 17, 5, 6, 13, 5, 0, 3, 18, 6, 7, 12, 4, 2, 5, 6, 20, 7, 8, 21, 3, 6, 6, 4, 5, 15, 8, 9, 18, 1654606, 5, 2, 3, 2, 1654137, 13, 9, 10, 17, 1655095, 1654694, 0, 0, 0, 1654694, 1654255, 16, 10
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OFFSET
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0,4
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COMMENT
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This is a "multiplication table" of an infinite enumerable group. Each row and column is a permutation of A001477.
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LINKS
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A. Karttunen, C-program for computing the elements of this table
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EXAMPLE
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A(2,1)=14 because A089840[2] = A072796, A089840[1] = A069770 and the composition A069770 o A072796 (here the right hand side permutation acts first) yields A073269 = A089840[14]. Similarly A(2,2)=0, as A089840[2] = A072796, which being an involution, yields A001477 (= A089840[0]) when "squared".
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CROSSREFS
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Column 1: A089837, row 1: A089838, the main diagonal: A089841.
Sequence in context: A059235 A072514 A071547 this_sequence A151668 A086151 A099040
Adjacent sequences: A089836 A089837 A089838 this_sequence A089840 A089841 A089842
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KEYWORD
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nonn,tabl
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AUTHOR
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Antti Karttunen (His_Firstname.His_Surname(AT)iki.fi), Dec 05 2003
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