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A354968 as a simple table

na(n)
21
34
45
510
616
714
820
935
1040
1130
1235
1364
1481
1580
1655
1756
18105
19140
20154
21140
2291
2384
24160
25220
26256
27260
28224
29140
30120
31231
32324
33390
34420
35405
36336
37204
38165
39320
40455
41560
42625
43640
44595
45480
46285
47220
48429
49616
50770
51880
52935
53924
54836
55660
56385
57286
58560
59810
601024

[1,4,5,10,16,14,20,35,40,30,35,64,81,80,55,56,105,
 140,154,140,91,84,160,220,256,260,224,140,120,231,
 324,390,420,405,336,204,165,320,455,560,625,640,
 595,480,285,220,429,616,770,880,935,924,836,660,
 385,286,560,810,1024]