Hello, Liu997!
I too recognized the alternate terms of the Fibonacci sequence,What sequence goes in this pattern? .
. . but what if I didn't?
The expected answer is probably: .
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
The "other" terms of the Fibonacci sequence has the same recurrence:
. .
Why am I surprised?
.