43689
domain: N
Appears in sequences
- a(n) = (8*2^n-5*(-1)^n)/3.at n=14A083582
- a(n) = (8*4^n - 5)/3.at n=7A083584
- Expansion of x*(1+2*x)/((1+x)*(1-x)*(1-2*x)).at n=15A084639
- Expansion of (1-x+2*x^2)/((1-x)*(1-x-2*x^2)).at n=15A097074
- Second differences of A130624.at n=15A130626
- a(n) = 3*a(n-1) -2*a(n-2) -a(n-3) +3*a(n-4) -2*a(n-5) for n > 4, with initial values as shown.at n=17A166022
- Row sums of triangle A175009.at n=32A175006