# A148999 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 34
5 114
6 484
7 1809
8 7983
9 32097
10 144898
11 609838
12 2801604
13 12159600
14 56608738
15 251279146
16 1181576856
17 5336084300
18 25285120286
19 115751190584
20 551839279807
21 2553932777703
22 12236239440844
23 57135960511101
24 274872856802229
25 1292984639225590
26 6241894883118289
27 29543497529355390