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A371436 as a simple table

na(n)
01
13
212
349
4179
5441
6-860
7-23634
8-229246
9-1705649
10-10757370
11-57800600
12-246084657
13-551185526
143612960360
1566196180728
16641858169138
174911870929096
1831792139997384
19172691510260794
20711428107177975
211066704835555530
22-18659356513414560

[1,3,12,49,179,441,-860,-23634,-229246,-1705649,
 -10757370,-57800600,-246084657,-551185526,
 3612960360,66196180728,641858169138,4911870929096,
 31792139997384,172691510260794,711428107177975,
 1066704835555530,-18659356513414560]