# A049189 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 11
5 43
6 183
7 813
8 3731
9 17563
10 84303
11 411093
12 2030833
13 10141953
14 51117801
15 259695379
16 1328454221
17 6836777765
18 35373248213
19 183892104895
20 960066929119
21 5031617143079
22 26462109374051
23 139609962072913
24 738695107457919