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Search: id:A064189
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| A064189 |
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Triangle T(n,k), 0<=k<=n, read by rows, defined by: T(0,0)=1, T(n,k)= 0 if n<k, T(n,k) = T(n-1,k-1) + T(n-1,k) + T(n-1,k+1). |
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31
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| 1, 1, 1, 2, 2, 1, 4, 5, 3, 1, 9, 12, 9, 4, 1, 21, 30, 25, 14, 5, 1, 51, 76, 69, 44, 20, 6, 1, 127, 196, 189, 133, 70, 27, 7, 1, 323, 512, 518, 392, 230, 104, 35, 8, 1, 835, 1353, 1422, 1140, 726, 369, 147, 44, 9, 1, 2188, 3610, 3915, 3288, 2235, 1242, 560, 200, 54, 10, 1
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