Here is the sieve of erastosthenes in logo: http://logo.twentygototen.org/HxD0BYNH http://logo.twentygototen.org/HxD0BYNH And this is rather surprising http:

Here is the sieve of erastosthenes in logo: http://logo.twentygototen.org/HxD0BYNH http://logo.twentygototen.org/HxD0BYNH And this is rather surprising http://logo.twentygototen.org/PQD5ksVB http://logo.twentygototen.org/PQD5ksVB