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A290126 as a simple table

na(n)
12
22
34
428
516
6140
724
890
9120
10108
1160
12144
13300
14288
15120
16672
17252
18432
19240
20630
21960
22756
23480
241200
251080
261728
271680
281008
29720
302016
31840
323150
332160
342700
351980
364800
372520
383780
393240
408736
413960
423600
436720
446930
4510800
466300
474200
4816848
499240
505040

[2,2,4,28,16,140,24,90,120,108,60,144,300,288,120,
 672,252,432,240,630,960,756,480,1200,1080,1728,
 1680,1008,720,2016,840,3150,2160,2700,1980,4800,
 2520,3780,3240,8736,3960,3600,6720,6930,10800,
 6300,4200,16848,9240,5040]