# A121588 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 3
4 -16
5 145
6 -2347
7 72498
8 -4459887
9 554300965
10 -139235329270
11 70475747813447
12 -71685052573258824
13 146249172542467865074
14 -597744865134782025119044
15 4890851047359454263328433041
16 -80078758027845307168595201926254