# A334154 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 15
4 54
5 236
6 1254
7 7986
8 59584
9 509304
10 4897272
11 52237448
12 611460432
13 7787383488
14 107155194928
15 1583776282704
16 25019083516416
17 420609003810944
18 7496930998018176
19 141203784944996736
20 2802115237399913728
21 58432523737192745472
22 1277372108617847278848