# A288461 (b-file synthesized from sequence entry)
0 1
1 0
2 -120
3 192
4 11232
5 -69120
6 -887808
7 11870208
8 34721280
9 -1458585600
10 4612792320
11 124992552960
12 -1294622392320
13 -3918630223872
14 170411025235968
15 -1023380614545408
16 -11537631123996672
17 248923798395420672
18 -709263007722504192
19 -30740965743050883072
20 367936297318798589952
21 1683415347595793399808