# A187007 (b-file synthesized from sequence entry)
1 1
2 3
3 12
4 69
5 538
6 5404
7 67092
8 997581
9 17337444
10 345547750
11 7778860028
12 195365725310
13 5418540898800
14 164556820433116
15 5432639292242576
16 193765826638479112
17 7426524928340527902
18 304439910637309354106