# A277000 (b-file synthesized from sequence entry)
0 1
1 -1
2 19
3 -2561
4 874831
5 -319094777
6 47095708213409
7 -751163826506551
8 281559662236405100437
9 -49061598325832137241324057
10 5012066724315488368700829665081
11 -26602063280041700132088988446735433
12 40762630349420684160007591156102493590477