# A024227 (b-file synthesized from sequence entry)
0 0
1 1
2 -2
3 19
4 -228
5 3077
6 -65830
7 1758167
8 -53368136
9 1951491465
10 -85111134154
11 4176412349723
12 -225382900988204
13 13340341706761357
14 -843824556920205294
15 53569650920259775455
16 -2964970152744457750672
17 54890174653048507285777