# A145780 (b-file synthesized from sequence entry)
1 1
2 1
3 5
4 18
5 70
6 523
7 4956
8 70926
9 1300201
10 37116376
11 1354115636
12 76887328413
13 5596162598050
14 631149201335604
15 91196507989935319
16 20473605176808584691
17 5885534752273786907540
18 2626715298620574785397735