# A009786 (b-file synthesized from sequence entry)
0 0
1 1
2 -1
3 3
4 0
5 -45
6 465
7 -3759
8 22232
9 -70059
10 -1060245
11 28407599
12 -453971496
13 5589320503
14 -48353999603
15 7539772397
16 12427981991760
17 -374837737029719
18 7794717166601847
19 -122407621058565797
20 1113301750728210320