# A177126 (b-file synthesized from sequence entry)
0 1
1 10
2 23
3 150
4 765
5 5065
6 32337
7 223672
8 1556583
9 11178843
10 81228819
11 599868763
12 4475307567
13 33731219901
14 256268778463
15 1961208117130
16 15101975890677
17 116936866669157
18 909887821312929
19 7110983852617913
20 55793178281433653