# A012897 (b-file synthesized from sequence entry)
0 1
1 0
2 4
3 -6
4 91
5 -470
6 6004
7 -57057
8 807281
9 -10925316
10 181019254
11 -3109774415
12 60388378207
13 -1243237163142
14 27924671116008
15 -666732185288925
16 17061240258678497
17 -462532118657434344
18 13300045106193385114