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A190902 as a simple table

na(n)
11
2-2
3-3
40
5-5
636
7-7
80
90
10100
11-11
120
13-13
14196
15225
160
17-17
180
19-19
200
21441
22484
23-23
240
250
26676
270
280
29-29
30810000
31-31
320
331089
341156
351225
360
37-37
381444
391521
400
41-41
423111696
43-43
440
450
462116
47-47
480
490
500
512601
520
53-53
540
553025
560
573249
583364
59-59
600
61-61
623844

[1,-2,-3,0,-5,36,-7,0,0,100,-11,0,-13,196,225,0,
 -17,0,-19,0,441,484,-23,0,0,676,0,0,-29,810000,
 -31,0,1089,1156,1225,0,-37,1444,1521,0,-41,
 3111696,-43,0,0,2116,-47,0,0,0,2601,0,-53,0,3025,
 0,3249,3364,-59,0,-61,3844]