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A228116 as a simple table

na(n)
11
20
30
40
5-3
6-26
7200
82154
911484
1019600
11-477397
12-8219901
13-91253055
14-827443165
15-6390673975
16-40675147794
17-175537475858
18224340865430
1916557635792557
20240512852610684
212400398259375610
2216146663225893061
235309635516930146
24-2257043208658957597
25-52738581235904454897

[1,0,0,0,-3,-26,200,2154,11484,19600,-477397,
 -8219901,-91253055,-827443165,-6390673975,
 -40675147794,-175537475858,224340865430,
 16557635792557,240512852610684,2400398259375610,
 16146663225893061,5309635516930146,
 -2257043208658957597,-52738581235904454897]