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Search: id:A143019
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| A143019 |
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Infinite square array read by antidiagonals: a(q,n)=is the coefficient of z^n in the series expansion of C(z)^q/(1-4z)^(3/2), where C(z)=[1-sqrt(1-4z)]/(2z) is the Catalan function (q,n=0,1,2,...). |
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| 1, 1, 6, 1, 7, 30, 1, 8, 38, 140, 1, 9, 47, 187, 630, 1, 10, 57, 244, 874, 2772, 1, 11, 68, 312, 1186, 3958, 12012, 1, 12, 80, 392, 1578, 5536, 17548, 51480, 1, 13, 93, 485, 2063, 7599, 25147, 76627, 218790, 1, 14, 107, 592, 2655, 10254, 35401, 112028, 330818
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