5 Jul
2003
5 Jul
'03
6:12 p.m.
--- "Allan C. Wechsler" <acw@alum.mit.edu> wrote:
Is it not the case that a number appears in the N x N multiplication table precisely when none of its prime factors exceed N, and the number itself does not exceed N^2?
Not that I'm claiming this helps to calculate A027424(N).
-A
No. 8 does not appear in the 3x3 multiplication table. __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com