# A012636 (b-file synthesized from sequence entry)
0 1
1 -3
2 -7
3 133
4 21233
5 -943283
6 -64681879
7 -10372748843
8 6179882408929
9 -384576977940067
10 -23526100511419175
11 -184617412046324669403
12 96969651542601504466641
13 -10475657438994641401987347