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A346057 as a simple table

na(n)
01
1-1
2-1
32
43
514
6-55
762
8-637
9338
10-3861
11335312
12-4499803
1343490108
14-246353731
152189950310
16-47336985225
171224524919590
18-21516426400621
19346681988108648
20-4499477383730851
2169294602646065900
22-1418045089870455795
2345246859024830444566

[1,-1,-1,2,3,14,-55,62,-637,338,-3861,335312,
 -4499803,43490108,-246353731,2189950310,
 -47336985225,1224524919590,-21516426400621,
 346681988108648,-4499477383730851,
 69294602646065900,-1418045089870455795,
 45246859024830444566]