# A343666 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 15
5 52
6 202
7 870
8 4084
9 20727
10 112825
11 654546
12 4026487
13 26145511
14 178550986
15 1278168860
16 9564026947
17 74615547996
18 605593775899
19 5103054929621
20 44564754448972
21 402677613100491
22 3759094788129312
23 36205919126040190
24 359340174509911325
25 3670825700549853053