# A343843 (b-file synthesized from sequence entry)
0 1
1 -1
2 1
3 -9
4 33
5 -241
6 1761
7 -15929
8 161473
9 -1853281
10 23584321
11 -330371049
12 5047404513
13 -83546832721
14 1489242229281
15 -28442492633369
16 579425286625153
17 -12541705195066561
18 287434687338368641
19 -6953491183101074889
20 177069197398959999393
21 -4734481603905334522801