# A299855 (b-file synthesized from sequence entry)
0 1
1 6
2 -12
3 60
4 -384
5 2772
6 -21504
7 175032
8 -1474560
9 12748164
10 -112459776
11 1008263880
12 -9160359936
13 84151254600
14 -780341870592
15 7294711613040
16 -68670084612096
17 650409360439140
18 -6193772337561600
19 59267126633699880
20 -569566264641454080
21 5494909312181603160
22 -53198968510406983680
23 516695227418183158800
24 -5033085020810678108160