# A012423 (b-file synthesized from sequence entry)
0 0
1 2
2 -12
3 -50
4 12936
5 -643142
6 -60323780
7 22895524678
8 -2421315237488
9 -864760878344718
10 527455288321939204
11 -55917569000158790850
12 -108932420480580224669416
13 83957330220575698201816746