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A369672 as a simple table

na(n)
11
2-4
319
4-100
5569
6-3416
721302
8-136636
9895572
10-5971096
1140366463
12-276036720
131905940182
14-13269019988
1593040431283
16-656472509864
174657492107245
18-33205607204468
19237777067846451
20-1709374453370956
2112332468208675821
22-89262196983781332
23647988910138661556

[1,-4,19,-100,569,-3416,21302,-136636,895572,
 -5971096,40366463,-276036720,1905940182,
 -13269019988,93040431283,-656472509864,
 4657492107245,-33205607204468,237777067846451,
 -1709374453370956,12332468208675821,
 -89262196983781332,647988910138661556]