# A230114 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 89
4 1521
5 32401
6 869049
7 27608489
8 1019581281
9 42824944801
10 2017329504489
11 105299243488889
12 6032850630082641
13 376363074361201201
14 25396689469918450329
15 1843101478742259481289
16 143145930384321475601601
17 11846611289341729822881601
18 1040750126963789832859930569