# A091701 (b-file synthesized from sequence entry)
0 1
1 3
2 14
3 63
4 287
5 1306
6 5945
7 27061
8 123180
9 560707
10 2552301
11 11617904
12 52883925
13 240724103
14 1095760078
15 4987826867
16 22704255571
17 103348258626
18 470434387405
19 2141385987489
20 9747446339348
21 44369726286423
22 201968037801353