Read all about it (find out why it's special):
http://everything2.com/title/3816547290
...and some more on this peculiar number here (from a computational-science slant):
http://scienceblogs.com/builtonfacts/2010/08/a_conspiracy_of_digits.php
...and one more further follow-up here:
http://tinyurl.com/29rvhae
My solution that uses very little trial-and-error
ReplyDeletehttp://genuinesingaporemaths.blogspot.sg/2015/05/olympri20150527ntsd-sudoku-with-modular.html