# A124384 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 10
4 30
5 110
6 494
7 2734
8 18734
9 159278
10 1685550
11 22268974
12 367653934
13 7597868078
14 196929315886
15 6402998805550
16 261393582040110
17 13416320169124910
18 865576139256079406
19 70227589169019724846
20 7172766017169503134766
21 921829147482582383174702