# A012562 (b-file synthesized from sequence entry)
0 0
1 2
2 -4
3 350
4 -11240
5 1703578
6 -193890860
7 49492653366
8 -12321392081232
9 4919573673167538
10 -2124948350723616724
11 1246509899975408733326
12 -820629733751515166342200
13 671843179144303883329974346
14 -622270861646882104886119580924