# A120901 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 14
4 43
5 156
6 535
7 1956
8 7175
9 26418
10 98375
11 367176
12 1378022
13 5193625
14 19641164
15 74535167
16 283651169
17 1082274210
18 4139129734
19 15863315213
20 60913982404
21 234317240601
22 902804442380
23 3483620505111
24 13460665855850