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A299212 as a simple table

na(n)
01
11
20
3-2
4-5
5-4
64
721
835
923
10-47
11-165
12-239
13-78
14479
151273
161508
17-138
18-4429
19-9451
20-8845
216207
2237937
2367123
2445144
25-83355
26-308078
27-455109
28-166872
29873799
302393041
312916869
32-73472
33-8133572
34-17828640
35-17294146
3610383571
3770275162
38127401305
3990368779
40-147825714

[1,1,0,-2,-5,-4,4,21,35,23,-47,-165,-239,-78,479,
 1273,1508,-138,-4429,-9451,-8845,6207,37937,67123,
 45144,-83355,-308078,-455109,-166872,873799,
 2393041,2916869,-73472,-8133572,-17828640,
 -17294146,10383571,70275162,127401305,90368779,
 -147825714]