# A009835 (b-file synthesized from sequence entry)
0 0
1 2
2 -4
3 38
4 -1800
5 49354
6 -2224652
7 213407470
8 -19515213328
9 2214421360530
10 -370704748056596
11 69183566673997750
12 -14893989315954214168
13 4017468897454451692634
14 -1237828661076392935858716