fun article about solving fizzbuzz with cosines by susam_pal: https://susam.net/fizz-buzz-with-cosines.html
then, in the hn comments, there's even more: vidrun's fizz buzz at aphyr.
PS: also in the comments - joel grus' FizzBuzz in tensorflow: https://joelgrus.com/2016/05/23/fizz-buzz-in-tensorflow/