# A029585 (b-file synthesized from sequence entry)
0 1
1 -1
2 0
3 7
4 -24
5 -61
6 1200
7 -4493
8 -48384
9 781319
10 -1804800
11 -85444193
12 1210361856
13 1847527499
14 -288162201600
15 3428482320907
16 33720680349696
17 -1637781983297521
18 14158399925452800
19 431041350297034807
20 -14236987086964260864