Please note the postscript at the bottom ofthe article:<p>&gt; Postscript:  In November 2013 I received an email from Dan Corson informing me that, using digits of e computed by a program called “y-cruncher”, he had checked the number of CPSs up to 100 million digits, and found that it does finally approach the expected value, although even by this point it has not quite ever reached the expected value