OFFSET
0,1
COMMENTS
Row sums are constantly two.
FORMULA
T(n,k) = T(n,n-k).
EXAMPLE
2;
1, 1;
1, 0, 1;
4, -3, -3, 4;
9, 0, -16, 0, 9;
16, 5, -20, -20, 5, 16;
31, 0, -30, 0, -30, 0, 31;
64, -7, -112, 56, 56, -112, -7, 64;
129, 0, -288, 0, 320, 0, -288, 0, 129;
256, 9, -576, -120, 432, 432, -120, -576, 9, 256;
511, 0, -1230, 0, 720, 0, 720, 0, -1230, 0, 511;
MATHEMATICA
Clear[p, x, n, m, a]; p[x_, n_] := ChebyshevT[n, x] + ExpandAll[x^n*ChebyshevT[n, 1/x]]; Table[p[x, n], {n, 0, 10}]; a = Table[CoefficientList[p[x, n], x], {n, 0, 10}]; Flatten[a]
CROSSREFS
KEYWORD
tabl,sign
AUTHOR
Roger L. Bagula and Gary W. Adamson, Jul 22 2008
STATUS
approved