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A173549 as a simple table

na(n)
612
712
824
972
10156
11240
12552
13600
141020
151548
162004
172568
184008
194644
206264
218136
2210152
2312168
2416284
2518372
2622992
2727972
2832736
2937896
3047352
3152332
3262004
3372288
3482572
3593108
36110280
37120492
38138420
39157428
40175248
41193824
42223428

[12,12,24,72,156,240,552,600,1020,1548,2004,2568,
 4008,4644,6264,8136,10152,12168,16284,18372,22992,
 27972,32736,37896,47352,52332,62004,72288,82572,
 93108,110280,120492,138420,157428,175248,193824,
 223428]