Van Ecks Sequence python

vanecks.py

#!/usr/bin/env python

"""
Sample code for van eck's sequence
"""

output = [0, 0, 1]

for i in range(2, 1000):
    init_len = len(output)

    last_val = output[i]

    count = 1
    for j in reversed(output[:-1]):
        if j != last_val:
            count += 1
            continue
        elif j == last_val:
            output.append(count)
            break

    if len(output) == init_len:
        output.append(0)


print(output)