# A150907 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 31
4 143
5 583
6 2713
7 11860
8 55812
9 252530
10 1199827
11 5542569
12 26520918
13 124245262
14 597677638
15 2828300456
16 13662236236
17 65139403991
18 315712785838
19 1514048280585
20 7358299247737
21 35451276630440
22 172687947421896
23 835112646889203
24 4075832518633019
25 19771718356983103
26 96658026873351532