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A209723 as a simple table

na(n)
16
27
38
410
512
616
720
828
936
1052
1168
12100
13132
14196
15260
16388
17516
18772
191028
201540
212052
223076
234100
246148
258196
2612292
2716388
2824580
2932772
3049156
3165540
3298308
33131076
34196612
35262148
36393220
37524292
38786436
391048580
401572868
412097156

[6,7,8,10,12,16,20,28,36,52,68,100,132,196,260,
 388,516,772,1028,1540,2052,3076,4100,6148,8196,
 12292,16388,24580,32772,49156,65540,98308,131076,
 196612,262148,393220,524292,786436,1048580,
 1572868,2097156]