# A331404 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 -7
4 19
5 229
6 -1009
7 -17263
8 105211
9 2332141
10 -18148681
11 -494079367
12 4678377859
13 151026527989
14 -1684778524129
15 -62909200846303
16 807879476432971
17 34252260613710781
18 -497629527847938361
19 -23615390533271153527
20 382915997208515638099
21 20108383384185058286149