# A013424 (b-file synthesized from sequence entry)
0 3
1 -7
2 497
3 -12031
4 1828937
5 -78420175
6 33163987313
7 -1847431936639
8 1836279812106137
9 -90066800149588687
10 250185010809212552449
11 -1037398294518312251519
12 71571989564012181483901417