1048832
domain: N
Appears in sequences
- Tan(sin(x)^2) = 2/2!*x^2 - 8/4!*x^4 + 272/6!*x^6 - 13568/8!*x^8 + ...at n=5A009675
- Duplicate of A009675.at n=4A012296
- a(1) = 1, a(2n) = 16a(n), a(2n+1) = a(2n)+1.at n=36A033052
- Sums of two powers of 16.at n=17A055261
- Number of points in the standard root system version of the D_4 lattice having L_infinity norm n.at n=32A117216
- a(n) = n^3*(n^4 + 1)/2.at n=8A168179
- The Wiener index of the binomial tree of order n.at n=9A192021
- Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(2^(k - 1)).at n=20A329800
- Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^(2^(k-1)).at n=20A344265