# A009728 (b-file synthesized from sequence entry)
0 1
1 -1
2 -19
3 -253
4 -5447
5 -225721
6 -14615899
7 -1266041845
8 -140130487823
9 -19419956236657
10 -3304321034706211
11 -677542297845085165
12 -164755897732586842199
13 -46874838119958767992105