# A141761 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 6
5 26
6 154
7 1188
8 11474
9 134432
10 1863168
11 29936846
12 548625820
13 11315025894
14 259733293774
15 6574304470320
16 182050022755386
17 5477819548007438
18 178054691097463354
19 6220193033111607018