Write a function to find the n-th number in newman conway sequence.
def sequence(n): 
	if n == 1 or n == 2: 
		return 1
	else: 
		return sequence(sequence(n-1)) + sequence(n-sequence(n-1))
<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a function to find the n-th number in newman conway sequence.
def sequence(n): 
	if n == 1 or n == 2: 
		return 1
	else: 
		return sequence(sequence(n-1)) + sequence(n-sequence(n-1))[/INST]assert sequence(10) == 6
assert sequence(2) == 1
assert sequence(3) == 2</s>