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A088617 Triangle T(n,k) (n>=0, k=0..n) read by rows: T(n,k) = C(n+k,n)*C(n,k)/(k+1). +0
27
1, 1, 1, 1, 3, 2, 1, 6, 10, 5, 1, 10, 30, 35, 14, 1, 15, 70, 140, 126, 42, 1, 21, 140, 420, 630, 462, 132, 1, 28, 252, 1050, 2310, 2772, 1716, 429, 1, 36, 420, 2310, 6930, 12012, 12012, 6435, 1430, 1, 45, 660, 4620, 18018, 42042, 60060, 51480, 24310, 4862, 1, 55 (list; table; graph; listen)
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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