# A012131 (b-file synthesized from sequence entry)
0 1
1 1
2 -3
3 21
4 -263
5 4841
6 -99723
7 -199939
8 501445617
9 -101818966319
10 19731909099757
11 -4192563651606299
12 1009030667701246697
13 -277080625752723191879
14 86724157841631252590437
15 -30813037783471577493355059
16 12363651257099764677344554977