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A361845 as a simple table

na(n)
01
13
29
327
478
5207
6459
7567
8-1926
9-20763
10-120123
11-569349
12-2410200
13-9379449
14-33818715
15-112292001
16-335018295
17-837341388
18-1317232530
192358000072
2035974607355
21228270292803
221148026536963
235094839173779
2420667058966044
2577501033284779

[1,3,9,27,78,207,459,567,-1926,-20763,-120123,
 -569349,-2410200,-9379449,-33818715,-112292001,
 -335018295,-837341388,-1317232530,2358000072,
 35974607355,228270292803,1148026536963,
 5094839173779,20667058966044,77501033284779]