Consider the ads of 3, i.e. 2

Consider the ads of 4, i.e. 3

Consider the ads of 5, i.e. 2,3

Consider the ads of 6, i.e. 4

Consider the ads of 7, i.e. 3,5

So we have a Erosathenes sieve via ad's (or do we?).

Jon Perry

perry@...

http://www.users.globalnet.co.uk/~perry/maths

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