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A285349 as a simple table

na(n)
01
1-2
24
3-4
42
52
6-8
712
8-12
96
108
11-24
1236
13-36
1416
1520
16-62
1792
18-88
1940
2046
21-144
22208
23-196
2488
25102
26-308
27440
28-412
29180
30208
31-624
32884
33-816
34356
35404
36-1206
371692
38-1552
39672
40760
41-2244
423128
43-2852
441224
451378
46-4048
475612
48-5084
492174
502428
51-7104
529796
53-8836
543760

[1,-2,4,-4,2,2,-8,12,-12,6,8,-24,36,-36,16,20,-62,
 92,-88,40,46,-144,208,-196,88,102,-308,440,-412,
 180,208,-624,884,-816,356,404,-1206,1692,-1552,
 672,760,-2244,3128,-2852,1224,1378,-4048,5612,
 -5084,2174,2428,-7104,9796,-8836,3760]