# A126399 (b-file synthesized from sequence entry)
0 1
1 12
2 54
3 250
4 1168
5 5486
6 25848
7 122024
8 576748
9 2728038
10 12909648
11 61108496
12 289310874
13 1369855464
14 6486547342
15 30716393200
16 145458062754
17 688830120102
18 3262050022332
19 15447978818780
20 73156731187376
21 346447866034700