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A053273 as a simple table

na(n)
01
12
2-3
34
4-4
56
6-11
714
8-15
922
10-31
1134
12-41
1356
14-69
1582
16-98
17120
18-152
19178
20-204
21254
22-308
23354
24-415
25496
26-587
27680
28-785
29922
30-1084
311248
32-1427
331664
34-1935
352202
36-2517
372906
38-3336
393798
40-4315
414930
42-5636
436380
44-7202
458194
46-9305
4710474
48-11801
4913342
50-15050

[1,2,-3,4,-4,6,-11,14,-15,22,-31,34,-41,56,-69,82,
 -98,120,-152,178,-204,254,-308,354,-415,496,-587,
 680,-785,922,-1084,1248,-1427,1664,-1935,2202,
 -2517,2906,-3336,3798,-4315,4930,-5636,6380,-7202,
 8194,-9305,10474,-11801,13342,-15050]