-7290

Appears in sequences

• A Chebyshev polynomial triangle of the first kind defined by T(n+1,x) = 3x*T(n,x) - T(n-1,x).at n=26A136159
• Fibonacci matrix read by antidiagonals. (Inverse of A136158.)at n=37A164948
• Coefficient array for the third power of the monic integer Chebyshev polynomials 2*T(2*n+1,x/2)/x as a function of x^2.at n=23A219235
• Irregular triangle read by rows: mean version of Girard-Waring formula A210258, for m = 3 data values.at n=45A287768