9694080

Appears in sequences

• a(n) = (2^n + 2) a(n-1) (kissing number of Barnes-Wall lattice in dimension 2^n).at n=6A006088
• Theta series of Barnes-Wall lattice in 64 dimensions.at n=4A103936
• a(1)=1; for n>1: a(n) = sum of all subsets of (a(1),..,a(n-1)).at n=7A126391
• Numbers n such that tau(n)*sigma(n) divides n^2.at n=5A245787
• Numbers x such that there exist two integers 0<x<=y and z>0 such that sigma(x)^2 = sigma(y)^2 = x^2 + y^2 + z^2.at n=33A385356