# A129329 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 1
4 12
5 120
6 1140
7 10815
8 104496
9 1037484
10 10627560
11 112508550
12 1231481460
13 13933510734
14 162864103584
15 1965078765195
16 24453461392080
17 313549334233440
18 4138796594051568
19 56188737057169593
20 783876449182595400