# A190861 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 18
4 56
5 178
6 580
7 1922
8 6466
9 22022
10 75788
11 263152
12 920768
13 3243414
14 11492460
15 40934616
16 146484296
17 526389182
18 1898722242
19 6872300848
20 24951521464
21 90851221740
22 331666951116
23 1213729811070
24 4451547793956