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A319456 as a simple table

na(n)
01
1-1
2-3
314
4-11
5-81
6282
7-57
8-2043
95405
102417
11-46476
1294522
13110512
14-943407
151505289
162807589
17-16888311
1823645199
1946006542
20-265972791
21472882620
22187884672
23-3981273597
2414234579226
25-19187383356
26-78662039004
27502118911904
28-847583768679
29-2627514175002

[1,-1,-3,14,-11,-81,282,-57,-2043,5405,2417,
 -46476,94522,110512,-943407,1505289,2807589,
 -16888311,23645199,46006542,-265972791,472882620,
 187884672,-3981273597,14234579226,-19187383356,
 -78662039004,502118911904,-847583768679,
 -2627514175002]