# A012074 (b-file synthesized from sequence entry)
0 1
1 -1
2 -3
3 -69
4 -3335
5 -289801
6 -39612939
7 -7845054541
8 -2125704833551
9 -755532171928081
10 -341044077485199379
11 -190581499954444336725
12 -129146418452087275163415
13 -104328785204254369631603225