Proof step

Ore-algebra identity of two definitions

All-n equality of two definitions

Concludes

shift_x_plus_one of basis_map_A007318 of Triangle of coefficients of Chebyshev's S(n,x+5) polynomials (exponents of x in increasing order).

Premises

none: a direct theorem check

Theorem

polytool ?

Checked

polytool replayed · Lean not attempted