# A189867 (b-file synthesized from sequence entry)
1 1
2 0
3 0
4 2
5 10
6 0
7 0
8 0
9 0
10 48
11 152
12 472
13 2696
14 12320
15 74436
16 429620
17 2515116
18 16122496
19 113016608
20 843492920
21 6575649316
22 54694203188