# A013469 (b-file synthesized from sequence entry)
0 1
1 -2
2 12
3 -122
4 1792
5 -35282
6 889152
7 -27747722
8 1045556992
9 -46640267042
10 2424156352512
11 -144890071612442
12 9849171061952512
13 -754330752297972722
14 64566114865428283392