# A013321 (b-file synthesized from sequence entry)
0 1
1 0
2 -1
3 -6
4 -11
5 80
6 923
7 3682
8 -26567
9 -585120
10 -3969849
11 24427370
12 948294477
13 9793100720
14 -42570639997
15 -3129194240622
16 -45887540775759
17 90022891149760
18 18204741288946383
19 363299569735984474