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A026040 as a simple table

na(n)
424
540
664
798
8144
9204
10280
11374
12488
13624
14784
15970
161184
171428
181704
192014
202360
212744
223168
233634
244144
254700
265304
275958
286664
297424
308240
319114
3210048
3311044
3412104
3513230
3614424
3715688
3817024
3918434
4019920
4121484
4223128
4324854
4426664

[24,40,64,98,144,204,280,374,488,624,784,970,1184,
 1428,1704,2014,2360,2744,3168,3634,4144,4700,5304,
 5958,6664,7424,8240,9114,10048,11044,12104,13230,
 14424,15688,17024,18434,19920,21484,23128,24854,
 26664]