4161536

Appears in sequences

• Numbers n such that uphi(sigma(n)) = n, where the uphi is the unitary phi function A047994.at n=35A030164
• a(n)=(2^n-1)*2^(n(n-1)/2)/(2^(n-1)).at n=7A127850
• Matrix inverse of triangle A022166.at n=29A135950
• Triangle read by rows generated from (x-1)*(x-2)*(x-4)*...at n=34A158474
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 430", based on the 5-celled von Neumann neighborhood.at n=22A288197