18640960

Appears in sequences

• Expansion of g.f. 1/((1 - 7x)*(1 - 9x)).at n=7A016178
• 8th binomial transform of (0,1,0,1,0,1,....), A000035.at n=8A081202
• a(n) = ((n + 1)^n - (n - 1)^n)/2.at n=8A302583
• Sum of terms of odd index in the binomial decomposition of n^(n-1).at n=8A345633
• a(n) is the numerator of the relativistic sum of n velocities of 1/n, in units where the speed of light is 1.at n=7A348131