Research Article

Improved Bounds on

Table 7

Bounds on .


2 28
3 42–55
4 66–82
5 88–109
6 116–138
7 142–163
8 169–191
9 198–223
10 223–246
11 253–274
12 281–302
13 315–330
14 352–358
15 379–386
16 394–414
17 419–442
18 468–471
19 483–499
20 501–527
21 532–556
22 558–584
23 586–613
24 624–642
25 652–671