# A196869 (b-file synthesized from sequence entry)
0 1
1 6
2 -36
3 216
4 -2592
5 23328
6 -311040
7 3265920
8 -45349632
9 517321728
10 -7336562688
11 88159684608
12 -1266403590144
13 15771513618432
14 -228509902503936
15 2921050338066432
16 -42583086769766400
17 555279063084564480
18 -8132204141176946688
19 107718176292801085440