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Search: id:A130595
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| A130595 |
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Triangle T(n,k), read by rows,given by [ -1,0,0,0,0,0,...] DELTA [[1,0,0,0,0,0,...] where DELTA is the operator defined in A084938 . |
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15
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| 1, -1, 1, 1, -2, 1, -1, 3, -3, 1, 1, -4, 6, -4, 1, -1, 5, -10, 10, -5, 1, 1, -6, 15, -20, 15, -6, 1, -1, 7, -21, 35, -35, 21, -7, 1, 1, -8, 28, -56, 70, -56, 28, -8, 1, -1, 9, -36, 84, -126, 126, -84, 36, -9, 1, 1, -10, 45, -120, 210, -252, 210, -120, 45, -10, 1, -1, 11, -55, 165, -330, 462, -462, 330, -165, 55, -11, 1
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