# A300457 (b-file synthesized from sequence entry)
0 1
1 -1
2 -3
3 -1
4 25
5 624
6 9871
7 170470
8 3027249
9 55077245
10 979330606
11 15079702923
12 94670678245
13 -7958168036625
14 -626145997536240
15 -34564907982551791
16 -1733699815491494303
17 -84294315853736719077
18 -4067859614343931897505
19 -196552300464314521511610
20 -9519733465269825759734169