15 Sep
2010
15 Sep
'10
1:42 a.m.
Interesting. * Bill Gosper <billgosper@gmail.com> [Sep 15. 2010 09:04]:
[...]
The factors...
2 2 2 2 z = 128 (y - 1) y (y + 1) (2 y - 1) (2 y + 1) (2 y - 1) (4 y - 3) 4
4 2 2 4 2 (8 y - 8 y + 1) (16 y - 16 y + 1)
8 6 4 2 (256 y - 512 y + 320 y - 64 y + 1)
...look somewhat Chebyshev-oid(?)
[...]