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Search: id:A066797
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| A066797 |
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Sum(i=1,n,binomial(4*i,2*i)). |
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+0 1
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| 6, 76, 1000, 13870, 198626, 2902782, 43019382, 644099772, 9719235072, 147565763892, 2251664727612, 34499268410712, 530417801358816, 8179108402119256, 126443689966980680, 1959067830909571214
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