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A270308 as a simple table

na(n)
172
296
3120
4144
5192
6216
7240
8288
9336
10360
11384
12432
13480
14504
15540
16576
17600
18648
19672
20720
21768
22840
23864
24960
251008
261080
271152
281200
291260
301296
311344
321440
331512
341536
351584
361620
371680
381728
391800
401872
411920
421944
432016
442112
452160
462240
472304
482400

[72,96,120,144,192,216,240,288,336,360,384,432,
 480,504,540,576,600,648,672,720,768,840,864,960,
 1008,1080,1152,1200,1260,1296,1344,1440,1512,1536,
 1584,1620,1680,1728,1800,1872,1920,1944,2016,2112,
 2160,2240,2304,2400]