1797559
domain: N
Appears in sequences
- Expansion of (1-2*x^3)/(1-2*x-x^3+2*x^4).at n=21A057744
- 7th row of number array A083064.at n=7A083068
- First superdiagonal of number array A083064.at n=6A083070
- Triangle read by rows: row n contains n terms of the arithmetic progression having first term 1 and common difference 2[n^(n-1)-1]/(n-1).at n=31A111568
- a(0)=a(1)=a(2)=1, a(n) = a(n-1) + a(n-2) + 2*a(n-3) for n > 2.at n=22A122552
- Expansion of x*(1 + x)/((1-2*x)*(1+x+x^2)).at n=22A294627
- 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=15A299913
- (a(n-2) XOR a(n-1)) OR (highest bit of a(n-2))*2 OR 1; a(0)=2, a(1)=3.at n=39A334041