# A341106 (b-file synthesized from sequence entry)
0 1
1 -1
2 0
3 6
4 -12
5 -144
6 1080
7 5184
8 -127008
9 95904
10 19077120
11 -154929024
12 -3210337152
13 70284900096
14 391453171200
15 -30354545511936
16 153830450875392
17 13189520200402944
18 -244127117929789440
19 -5109022268709986304
20 237988748560571301888
21 571783124036801765376