# A012557 (b-file synthesized from sequence entry)
0 2
1 -4
2 350
3 -11240
4 1461658
5 -167279660
6 35689423926
7 -8594866078032
8 2902777731046578
9 -1163594305273709524
10 584328120817240344206
11 -346295976826690961613880
12 244030359200524004600252746