# A009633 (b-file synthesized from sequence entry)
0 1
1 -1
2 -39
3 55
4 39697
5 -2289
6 -235548247
7 -1367615353
8 4617417380769
9 85802560805023
10 -226896487004217095
11 -9332987296855749801
12 23509703520941274769841
13 1792438008018628579394735