# A202407 (b-file synthesized from sequence entry)
0 0
1 1
2 -1
3 1
4 -1
5 0
6 -1
7 -1
8 17
9 587
10 3151
11 -173
12 -2641109
13 -6343201
14 29002301
15 24753572807
16 6013935944287
17 -979056822493
18 -11395219462649
19 -4313800586682649
20 -2178360615103441
21 74893762899375939059
22 5307412498351127900521