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A361298 as a simple table

na(n)
21
32
42
54
66
78
812
918
1024
1134
1248
1364
1488
15120
16158
17212
18282
19368
20484
21632
22816
231056
241360
251738
262220
272826
283576
294520
305696
317144
328948
3311176
3413908
3517280
3621414
3726460
3832638
3940168

[1,2,2,4,6,8,12,18,24,34,48,64,88,120,158,212,282,
 368,484,632,816,1056,1360,1738,2220,2826,3576,
 4520,5696,7144,8948,11176,13908,17280,21414,26460,
 32638,40168]