# A318268 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 2
4 34
5 250
6 1234
7 4830
8 16174
9 48444
10 133416
11 344220
12 843020
13 1978804
14 4484228
15 9865742
16 21166390
17 44439910
18 91570126
19 185614242
20 370846914
21 731502296
22 1426514540
23 2753525208
24 5266164280
25 9987859912
26 18799814312
27 35141997050
28 65274659562
29 120540177522