# A019267 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 -1
4 -5
5 23
6 53
7 -593
8 -5165
9 110123
10 231743
11 -8113223
12 -33497425
13 1744764499
14 3563384029
15 -258115578289
16 -4191097954685
17 402402297433523
18 813628574192123
19 -99925014024526283
20 -403078530716889835
21 61606956815080291849