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A088557 as a simple table

na(n)
14
212
324
440
560
684
78
8144
9180
1020
11264
12312
13364
14420
15480
1656
1712
18684
1980
20840
21924
2228
231104
241200
25140
261404
2748
28176
291740
301860
3116
3272
332244
34260
352520
362664
37308
3836
393120
403280
413444
42132
43416
443960
4560
46476
47168
484704
4920
505100
515304
5288
535724
545940

[4,12,24,40,60,84,8,144,180,20,264,312,364,420,
 480,56,12,684,80,840,924,28,1104,1200,140,1404,48,
 176,1740,1860,16,72,2244,260,2520,2664,308,36,
 3120,3280,3444,132,416,3960,60,476,168,4704,20,
 5100,5304,88,5724,5940]