https://bitslog.com/2013/09/03/new-mystery-about-satoshi/#comment-1376

'Great work and what an incredible finding, would love to know the answer! Do you think it’s a bit odd that he used a proprietary Base58 for the address encoding and just happens that you’re seeing the spike between values 0-57? ... I know it’s probably just coincidence but it would be amazing if there was a secret message in the LSB to explain this'


https://bitslog.com/2013/09/03/new-mystery-about-satoshi/

'The selected set of bytes (0 to 9, 19 to 58) could have been selected to map a somewhat extended alphabet into this set. This must be explored further. selected set of bytes (0 to 9, 19 to 58) could have been selected to map a somewhat extended alphabet into this set. This must be explored further.'