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A106853 as a simple table

na(n)
01
11
2-3
3-7
45
533
613
7-119
8-171
9305
10989
11-231
12-4187
13-3263
1413485
1526537
16-27403
17-133551
18-23939
19510265
20606021
21-1435039
22-3859123
231881033
2417317525
259793393
26-59476707
27-98650279
28139256549
29533857665
30-23168531
31-2158599191
32-2065925067

[1,1,-3,-7,5,33,13,-119,-171,305,989,-231,-4187,
 -3263,13485,26537,-27403,-133551,-23939,510265,
 606021,-1435039,-3859123,1881033,17317525,9793393,
 -59476707,-98650279,139256549,533857665,-23168531,
 -2158599191,-2065925067]