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A372126 as a simple table

na(n)
01
11
25
311
495
5150
62688
7-111
898489
9-215578
104416842
11-18887063
12230670421
13-1356589436
1413381147908
15-92724422022
16831047516316
17-6277471705749
1853925750947589
19-426682784513559
203602138266461603
21-29250145766625450
22245524688963062050

[1,1,5,11,95,150,2688,-111,98489,-215578,4416842,
 -18887063,230670421,-1356589436,13381147908,
 -92724422022,831047516316,-6277471705749,
 53925750947589,-426682784513559,3602138266461603,
 -29250145766625450,245524688963062050]