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A247086 as a simple table

na(n)
12
212
324
490
5234
6528
7588
81456
94320
104680
119024
1211466
1326208
1435640
1555104
1655552
1790816
18114660
19121024
20123648
21185562
22199584
23297600
24510720
25674880
262142720
272190336
284112640
294316928
305322240
315659641
327600320
338714160
3410281600
3512999168
3615268368

[2,12,24,90,234,528,588,1456,4320,4680,9024,11466,
 26208,35640,55104,55552,90816,114660,121024,
 123648,185562,199584,297600,510720,674880,2142720,
 2190336,4112640,4316928,5322240,5659641,7600320,
 8714160,10281600,12999168,15268368]