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A306564 as a simple table

na(n)
11
22
34
46
510
612
718
820
928
1036
1148
1284
13132
14393
15657
16744
171140
181580
192704
203244
218700
2212250
2317395
2417860
2519505
2636785
2759100
2867805
2997440

[1,2,4,6,10,12,18,20,28,36,48,84,132,393,657,744,
 1140,1580,2704,3244,8700,12250,17395,17860,19505,
 36785,59100,67805,97440]