# A117750 (b-file synthesized from sequence entry)
2 30
3 135
4 490
5 2436
6 1575
7 10143
8 4565
9 37338
10 1300156
11 792
12 12310
13 124754
14 1575
15 31185
16 386155
17 26543660
18 75175
19 1121505
20 4835271870
21 5604
22 173525
23 3087735
24 10143
25 386155
26 8118264
27 1327710076
28 4328363658647
29 25025873760111