# A296979 (b-file synthesized from sequence entry)
0 0
1 1
2 -1
3 3
4 -12
5 68
6 -480
7 4144
8 -42112
9 494360
10 -6581880
11 98079696
12 -1617373296
13 29245459176
14 -575367843960
15 12235339942344
16 -279650131845120
17 6836254328079936
18 -177979145883651648
19 4916243253642325056
20 -143602294106947553280
21 4422411460743707222784