$\frac{1}{2}$  

 $1$  

 $2$  

 $-2$  

 $32;\ 48;\ 54$  

 $24;\ 48;\ 96$  

 $24;\ 32;\ 48$  

 $32;\ 64;\ 128$  

Start with 2. Add 4 to each previous term get the next term.

Start with 2. Multiply each previous term with -2 to get the next term.

Start with 2. Multiply each previous term with 3 to get the next term.

Start with 2. Multiply each previous term with 4 to get the next term.

 $\frac{1}{2}$  

 $1$  

 $2$  

 $3$  

 $162;\ 486;\ 1458$  

 $72;\ 90;\ 108$  

 $108;\ 216;\ 432$  

 $18;\ 6;\ 2$  

Start with 8. Subtract 4 to each previous term get the next term.

Start with 4. Multiply each previous term with 22 to get the next term.

Start with 8. Multiply each previous term with  $\frac{1}{3}$   to get the next term.

Start with 8. Multiply each previous term with  $\frac{1}{2}$   to get the next term.

 $\frac{1}{2}$  

 $1$  

 $2$  

 $3$  

 $\frac{1}{3};\ \frac{1}{6};\ \frac{1}{12}$  

 $\frac{1}{2};\ \frac{1}{4};\ \frac{1}{8}$  

 $2;\ 4;\ 8$  

 $\frac{1}{2};\ \frac{1}{8};\ \frac{1}{16}$  

Leonardo sequence

Pisa sequence

Italian sequence

Fibonacci sequence