1; 6; 36; 216;

X

with seed values such as:

X

**1296; 7776; 23328****______**Each subsequent number is six times the previous number. Likewise, in Mathematical terms, the sequence X_{n}is defined by the recurrence relation:X

_{n }= 6(X_{n - 1})with seed values such as:

X

_{1}= 1 and X_{2}= 2