# A145864 (b-file synthesized from sequence entry)
1 1
2 2
3 1
4 4
5 8
6 25
7 59
8 294
9 976
10 6868
11 36894
12 351022
13 2656603
14 36966909
15 391525649
16 7896337875
17 122564741600
18 3503953133171
19 77993874405982
20 3210152559844391
21 101979707965980254
22 6040428902857902560
23 276387013896712513044