# A193464 (b-file synthesized from sequence entry)
1 0
2 2
3 7
4 30
5 146
6 852
7 5823
8 45740
9 405844
10 4012710
11 43733975
12 520795002
13 6726601062
14 93651619880
15 1398047697151
16 22275111534552
17 377278848390248
18 6768744159489930
19 128228860181918439
20 2557808459478878870
21 53585748788874537850
22 1176328664895760953852