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A176684 as a simple table

na(n)
12
212
348
466
578
6126
7192
8324
9576
10738
11858
121806
132466
142496
152688
163186
173276
183978
194092
204248
214404
224884
235034
245274
255352
265898
276018
286198
296396
306408
316516
326708
336852
347368
357914
368304
378628
388658
398904
409048
419168
429528
4310812
4410932

[2,12,48,66,78,126,192,324,576,738,858,1806,2466,
 2496,2688,3186,3276,3978,4092,4248,4404,4884,5034,
 5274,5352,5898,6018,6198,6396,6408,6516,6708,6852,
 7368,7914,8304,8628,8658,8904,9048,9168,9528,
 10812,10932]