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Search: id:A060187
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| A060187 |
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Triangle read by rows: T(n,k) (1<=k<=n) given by T(s, 1) = 1, T(s, t) = T(s, s-t+1), T(s, t) = (2*t-1)*T(s-1, t) + (2*s-2*t+1)*T(s-1, t-1). |
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38
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| 1, 1, 1, 1, 6, 1, 1, 23, 23, 1, 1, 76, 230, 76, 1, 1, 237, 1682, 1682, 237, 1, 1, 722, 10543, 23548, 10543, 722, 1, 1, 2179, 60657, 259723, 259723, 60657, 2179, 1, 1, 6552, 331612, 2485288, 4675014, 2485288, 331612, 6552, 1, 1, 19673, 1756340, 21707972
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