# A009449 (b-file synthesized from sequence entry)
0 0
1 1
2 -2
3 6
4 -23
5 99
6 -379
7 -262
8 43940
9 -1040942
10 21148764
11 -425218324
12 8815744554
13 -191341725498
14 4373089531474
15 -105434549548356
16 2681427980474560
17 -71863978166452700
18 2026733667001278600
19 -60049911134969228680