2796201
domain: N
Appears in sequences
- a(n) = (8*2^n-5*(-1)^n)/3.at n=20A083582
- a(n) = (8*4^n - 5)/3.at n=10A083584
- Expansion of x*(1+2*x)/((1+x)*(1-x)*(1-2*x)).at n=21A084639
- Expansion of (1-x+2*x^2)/((1-x)*(1-x-2*x^2)).at n=21A097074
- Second differences of A130624.at n=21A130626
- 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=23A166022
- Numerator of sum(i=1..n, 3*i/4^i ).at n=11A215712