# A178271 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 0
6 1400
7 16520
8 103040
9 455040
10 1602000
11 4840032
12 12815552
13 31069112
14 68954312
15 144449440
16 284461680
17 537258960
18 966579120