# A293533 (b-file synthesized from sequence entry)
0 1
1 -1
2 -1
3 5
4 -23
5 -41
6 1111
7 -6259
8 -16015
9 828143
10 -6453809
11 -23557931
12 1516982809
13 -15821700025
14 -76745280793
15 5613303472349
16 -73951449390239
17 -445513157340449
18 36776986711862815
19 -582726291386478427
20 -4158268555818657079
21 388618610293537423799