# A200793 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 121
5 1191
6 14461
7 209098
8 3510921
9 67175461
10 1443249271
11 34412298636
12 901898694313
13 25775139581491
14 797824620178041
15 26592701386533766
16 949705032131053201
17 36181186751341438473
18 1464760631695118359051
19 62798619981256526628136