# A375608 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 -6
4 -36
5 -120
6 240
7 8400
8 82320
9 362880
10 -3507840
11 -103783680
12 -1268688960
13 -4843238400
14 175429013760
15 5052189542400
16 68016191443200
17 55329155481600
18 -23284682272051200
19 -668640423164313600
20 -9013925405784499200
21 57340797108269875200