11225320100
domain: N
Appears in sequences
- Expansion of 1/((1-9x)(1-11x)).at n=9A016190
- For n even a(n) = a(n-1) + 10*a(n-2), for n odd a(n) = a(n-3) + 10 a(n-2); with a(1) = 0, a(2) = 1.at n=20A161999
- a(n) = ((n + 1)^n - (n - 1)^n)/2.at n=10A302583
- Sum of terms of odd index in the binomial decomposition of n^(n-1).at n=10A345633
- 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=9A348131