# A225425 (b-file synthesized from sequence entry)
1 1
2 6
3 31
4 120
5 418
6 1268
7 3499
8 8987
9 22316
10 51677
11 116978
12 252856
13 528275
14 1075319
15 2131671
16 4119410
17 7801334
18 14482065