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A233316 as a simple table

na(n)
-20
-10
01
13
21
30
4-1
50
62
70
8-3
90
105
110
12-691
130
14140
150
16-10851
170
18219335
190
20-1222277
210
221709026
230
24-1181820455
250
26538845489
270
28-23749461029
290
3068926730208040
310
32-84802531453387
330
34270657225128535
350
36-26315271553053477373
370
38380899208799402670
390
40-1827579029475143854357

[0,0,1,3,1,0,-1,0,2,0,-3,0,5,0,-691,0,140,0,
 -10851,0,219335,0,-1222277,0,1709026,0,
 -1181820455,0,538845489,0,-23749461029,0,
 68926730208040,0,-84802531453387,0,
 270657225128535,0,-26315271553053477373,0,
 380899208799402670,0,-1827579029475143854357]