920350135
domain: N
Appears in sequences
- Expansion of (1-2*x^3)/(1-2*x-x^3+2*x^4).at n=30A057744
- Expansion of (1 - x)/(1 + x - x^2 + 2*x^3).at n=30A078043
- 7th row of number array A083064.at n=10A083068
- a(0)=a(1)=a(2)=1, a(n) = a(n-1) + a(n-2) + 2*a(n-3) for n > 2.at n=31A122552
- Expansion of x*(1 + x)/((1-2*x)*(1+x+x^2)).at n=31A294627
- a(n) = a(n-1) + 2*a(n-2) if n even, or 3*a(n-1) + 4*a(n-2) if n odd, starting with 0, 1.at n=21A299913