# A012434 (b-file synthesized from sequence entry)
0 2
1 -4
2 278
3 -6984
4 1148202
5 -99018060
6 28635818430
7 -5588393370000
8 2487224151815250
9 -886910985311966100
10 563430775878809461350
11 -321709990033199535312600
12 277763298278504193429092730