-805306368

Appears in sequences

• Triangular sequence of coefficients of T_n(2^n*x) where T_n is the n-th Chebyshev polynomial.at n=25A139037
• a(n) = 2^n*(1-n).at n=25A159964
• Expansion of Product_{k>0} (1 - 2^(k-1)*x^k).at n=35A337299