# A187000 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 11
4 50
5 216
6 1062
7 5457
8 28088
9 147686
10 792716
11 4303036
12 23587816
13 130552984
14 728316462
15 4090107939
16 23106799662
17 131234374020
18 748839982332
19 4290960328482
20 24681334371228
21 142454368143300
22 824786385860748