# A182016 (b-file synthesized from sequence entry)
0 1
1 3
2 15
3 85
4 531
5 3545
6 24833
7 180251
8 1344163
9 10237001
10 79287469
11 622596063
12 4945078477
13 39658283943
14 320689293119
15 2611817435525
16 21405148148051
17 176396318594937
18 1460795339822349
19 12150467810552223
20 101463416752305385
21 850306144532133787