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A292141 as a simple table

na(n)
01
11
21
3-3
4-3
5-7
6-11
7-15
8-19
9-27
10-15
11-23
12-15
13-7
1417
1537
1677
17113
18181
19249
20349
21381
22529
23609
24737
25817
26945
27957
281037
291001
30981
31785
32605
33133
34-303
35-1095
36-1727
37-3015
38-4191
39-5963
40-7667
41-10095
42-12379
43-15495
44-18339
45-22067
46-25631

[1,1,1,-3,-3,-7,-11,-15,-19,-27,-15,-23,-15,-7,17,
 37,77,113,181,249,349,381,529,609,737,817,945,957,
 1037,1001,981,785,605,133,-303,-1095,-1727,-3015,
 -4191,-5963,-7667,-10095,-12379,-15495,-18339,
 -22067,-25631]