# A364734 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 9
4 48
5 276
6 1687
7 10750
8 70597
9 474478
10 3247844
11 22563904
12 158693152
13 1127661358
14 8083795761
15 58390722901
16 424562043703
17 3104994695198
18 22825260066996
19 168564068029385
20 1249985066423749
21 9303815610715531
22 69483859839881494
23 520527161650519576