# A048605 (b-file synthesized from sequence entry)
0 1
1 -1
2 7
3 -43
4 4489
5 -49897
6 20130311
7 -319053131
8 329796121169
9 -62717244921977
10 14635852695795623
11 -33233512260583073
12 149490010959849868177
13 -3562767949848393597053