This is a Challenge cache. The cache is at the published co-ordinates, but you need to fulfil the Challenge criteria below to log as ‘found’. You can sign the log, and add a ‘write note’ to that effect and then work on the challenge to turn this into a ‘found’ log.
Please note that Lab Caches do not count in terms of qualification. Challenge Checkers do not count Lab caches.
This Challenge is similar to the Power of 2 Challenge, but you only need to find different 8 cache types that meet of exceed this number sequence:
There is no restriction at all on which type of cache matches a specific number in the sequence. As an example, if you have these found stats you would qualify: