1345210

Appears in sequences

• Number of primitive (aperiodic, or Lyndon) asymmetric rhythm cycles: ones having no nontrivial shift automorphism.at n=15A006575
• Mean of the first 2^n nonnegative powers of 3, i.e., (1 + 3 + 3^2 + ... + 3^(2^n-1))/2^n.at n=4A059723
• a(1)=1, a(n) = 2(n^(n-1)-1)/(n-1)^2.at n=8A093462
• Arithmetic mean of row n in A112668.at n=15A110739
• a(n) = ((2*n+1)^8 - 1)/32.at n=4A359498