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A174565 as a simple table

na(n)
01
11
2-3
39
4-11
51
645
7-135
8229
9-143
10-483
112025
12-4139
134321
143597
15-28071
1669829
17-97199
1812285
19351945
20-1104971
211907137
22-1301523
23-3723975
2416378021
25-34238159
2637202397
2725345449
28-224845931
29573156001
30-820084275
31167628825
322777450629
33-9002867183

[1,1,-3,9,-11,1,45,-135,229,-143,-483,2025,-4139,
 4321,3597,-28071,69829,-97199,12285,351945,
 -1104971,1907137,-1301523,-3723975,16378021,
 -34238159,37202397,25345449,-224845931,573156001,
 -820084275,167628825,2777450629,-9002867183]