# A293573 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 -5
4 1
5 41
6 751
7 -461
8 -61375
9 -114479
10 3197791
11 51784811
12 95861569
13 -13289759495
14 -88386566449
15 1959369708451
16 39596487031681
17 144047673616289
18 -17707296608390465
19 -244965944457878309
20 5109519579305499521
21 149507697206554889161