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Edited. _ by _Wolfdieter Lang_, Jan 14 2015
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EditredEdited. Wolfdieter Lang, Jan 14 2015
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Editred. Wolfdieter Lang, Jan 14 2015
Triangle read by rows: T(n,k) is the coefficient A_k in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} A_T(n,k)*(x-k)^k.
Consider the transformation 1 + 2x + 3x^2 + 4x^3 + ... + (n+1)*x^n = A_T(n,0)*(x-0)^0 + A_T(n,1)*(x-1)^1 + A_T(n,2)*(x-2)^2 + ... + A_T(n,n)*(x-n)^n. This sequence gives A_0, ... A_n as the entries in the n-th row of this triangle, starting at , for n >= 0.
T(n,n) = n+1, n >= 0.
From Wolfdieter Lang, Jan 14 2015: (Start)
Triangle The triangle T(n,k) starts:
n\k 0 1; 2 3 4 5 6 7 8 9 ...
0: 1
1: 3, 2;
2: 3, 14, 3;
3, : 3 50, 39, 4;
4: 3, 130, 279, 84, 5;
5: 3, 280, 1479, 984, 155, 6;
6: 3, 532, 6519, 8544, 2675, 258, 7;
7: 3, 924, 25335, 61464, 34035, 6138, 399, 8;
8: 3, 1500, 89847, 388056, 356595, 106938, 12495, 584, 9;
9: 3, 2310, 297207, 2225136, 3259635, 1524438, 284655, 23264, 819, 10;
...
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n = 3: 1 + 2*x + 3*x^2 + 4*x^3 = 3*(x-0)^0 + 50*(x-1)^1 + 39*(x-2)^2 + 4*(x-3)^3.
(End)
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