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A270235 as a simple table

na(n)
07
1-4
236
3-23
483
5-75
6159
7-128
8261
9-269
10381
11-309
12529
13-577
14761
15-705
16945
17-905
181065
19-921
201317
21-1517
221933
23-1765
241880
25-1755
262147
27-2159
282691
29-2707
303019
31-2867
323343
33-3335
343655
35-3411
364091
37-4247
384799
39-4707
405187
41-5043
425575
43-5523

[7,-4,36,-23,83,-75,159,-128,261,-269,381,-309,
 529,-577,761,-705,945,-905,1065,-921,1317,-1517,
 1933,-1765,1880,-1755,2147,-2159,2691,-2707,3019,
 -2867,3343,-3335,3655,-3411,4091,-4247,4799,-4707,
 5187,-5043,5575,-5523]