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A297211 as a simple table

na(n)
00
11
2-3
36
4-8
513
6-103
7462
8824
9-8239
10-147747
111233518
1212148288
13-127674419
14-2090702391
1524495009510
16410685350032
17-5514147250815
18-111860639828131
191673006899192118
2037306857729115304
21-619246417449233555
22-15476404474443728487
23281907759055194714206

[0,1,-3,6,-8,13,-103,462,824,-8239,-147747,
 1233518,12148288,-127674419,-2090702391,
 24495009510,410685350032,-5514147250815,
 -111860639828131,1673006899192118,
 37306857729115304,-619246417449233555,
 -15476404474443728487,281907759055194714206]