1048064

Appears in sequences

• a(n) = Sum_{k=1..n} A123706(n,k)*2^(k-1).at n=21A123707
• a(n) = 6*a(n-1) - 8*a(n-2) for n > 1; a(0) = 3, a(1) = 14.at n=9A171499
• Monotonic ordering of nonnegative differences 4^i-8^j, for 40>= i>=0, j>=0.at n=37A192167
• Numerator of 1/v_n(1/2), where polynomial v_n(x) is used to approximate x->sin(Pi*x)/Pi.at n=3A230144
• Numerators of the positive solution to 2^(n-1) = Sum_{d|n} a(d) * a(n/d).at n=21A299151
• The number of degree-n^2 polynomials over Z/2Z that can be written as f(f(x)) where f is a polynomial.at n=20A350520
• Number of palindromic compositions of 2*n into parts <= n.at n=20A354294