# A009397 (b-file synthesized from sequence entry)
0 0
1 2
2 -16
3 422
4 -22216
5 1971002
6 -265691116
7 50700975782
8 -13016429899216
9 4327444080299762
10 -1808838826865938516
11 928500311849311382942
12 -574198882099583321361016
13 421058394568919310756145322