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Search: id:A052249
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| A052249 |
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Triangle T(n,k) (n >= 1, k >= 1) giving dimension of bigrading of Connes-Moscovici noncocommutative algebra. |
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+0
1
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| 1, 1, 1, 0, 2, 1, 0, 1, 3, 1, 0, 0, 2, 4, 1, 0, 0, 1, 4, 5, 1, 0, 0, 0, 2, 6, 6, 1, 0, 0, 0, 1, 4, 9, 7, 1, 0, 0, 0, 0, 2, 7, 12, 8, 1, 0, 0, 0, 0, 1, 4, 11, 16, 9, 1, 0, 0, 0, 0, 0, 2, 7, 16, 20, 10, 1, 0, 0, 0, 0, 0, 1, 4, 12, 23, 25, 11, 1, 0, 0, 0, 0, 0, 0, 2, 7, 18, 31, 30, 12, 1, 0, 0
(list; table; graph; listen)
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OFFSET
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0,5
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LINKS
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D. J. Broadhurst and D. Kreimer, Towards cohomology of renormalization...
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EXAMPLE
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1; 1,1; 0,2,1; 0,1,3,1; 0,0,2,4,1; 0,0,1,4,5,1; ...
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CROSSREFS
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Cf. A052250.
Sequence in context: A089631 A129558 A131185 this_sequence A030528 A077227 A089263
Adjacent sequences: A052246 A052247 A052248 this_sequence A052250 A052251 A052252
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KEYWORD
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nonn,tabl,nice
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AUTHOR
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David Broadhurst (D.Broadhurst(AT)open.ac.uk), Feb 05 2000
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