(Translated by https://www.hiragana.jp/)
# A371988 (b-file synthesized from sequence entry)
0 1
1 8
2 -64
3 768
4 -10240
5 139264
6 -1835008
7 22020096
8 -207618048
9 461373440
10 47982837760
11 -1804154699776
12 47459388620800
13 -1075356731703296
14 22196390985728000
15 -425460422414434304
16 7596492850955550720
17 -125084110746588020736
18 1842147113923814359040