# A163706 (b-file synthesized from sequence entry)
1 1
2 11
3 63
4 259
5 896
6 2821
7 8515
8 24940
9 70944
10 196626
11 534162
12 1430008
13 3786133
14 9937397
15 25902833
16 67151065
17 173338487
18 445930356
19 1144130515
20 2929289696
21 7487194973