ext_97979 ([identity profile] thedan.livejournal.com) wrote in [personal profile] cnoocy 2007-09-19 07:49 pm (UTC)

23^2 * 5 + 1 = 21^2 * (5 + 1)
27^2 * 6 + 1 = 25^2 * (6 + 1)
31^2 * 7 + 1 = 29^2 * (7 + 1)
35^2 * 8 + 1 = 33^2 * (8 + 1)
39^2 * 9 + 1 = 37^2 * (9 + 1)

and so on...

Post a comment in response:

If you don't have an account you can create one now.
HTML doesn't work in the subject.
More info about formatting