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A083554 as a simple table

na(n)
12
24
312
430
560
648
7144
8198
9308
10420
11180
12360
13840
14966
151196
161508
171740
18660
192310
202520
21936
223198
233608
241056
252400
265100
275406
285724
293024
301008
318190
328840
339384
3410212
3511100
363900
374212
3813446
3914276
4015308
4116020
423420
4318240
449408

[2,4,12,30,60,48,144,198,308,420,180,360,840,966,
 1196,1508,1740,660,2310,2520,936,3198,3608,1056,
 2400,5100,5406,5724,3024,1008,8190,8840,9384,
 10212,11100,3900,4212,13446,14276,15308,16020,
 3420,18240,9408]