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A224907 as a simple table

na(n)
124
236
340
448
560
672
780
884
996
10108
11112
12120
13132
14140
15144
16156
17160
18168
19176
20180
21192
22200
23204
24208
25216
26224
27228
28240
29252
30264
31276
32280
33288
34300
35312
36320
37324
38336
39348
40352
41360
42372
43384
44392
45396
46400
47408
48416
49420
50432
51440
52444
53448
54456

[24,36,40,48,60,72,80,84,96,108,112,120,132,140,
 144,156,160,168,176,180,192,200,204,208,216,224,
 228,240,252,264,276,280,288,300,312,320,324,336,
 348,352,360,372,384,392,396,400,408,416,420,432,
 440,444,448,456]