# A337734 (b-file synthesized from sequence entry)
-1 -1
0 0
1 1
2 -3
3 11
4 -105
5 613
6 -12635
7 99677
8 -1774391
9 17582819
10 -1919343719
11 22882040099
12 -295793507053
13 1373607474819
14 -323119030735871
15 20600974525589671
16 -698062672818463097
17 12527062232269129201
18 -474730436062281169829
19 9471193365463611988187
20 -396898731474190849635703