# A127189 (b-file synthesized from sequence entry)
0 1
1 1
2 -5
3 39
4 -423
5 5985
6 -105885
7 2269575
8 -57475215
9 1684565505
10 -56176247925
11 2101511463975
12 -87163146984375
13 3969387329933025
14 -196863216968342925
15 10560219055989978375
16 -609129291476291961375
17 37591662102746977850625
18 -2471292534125033454961125