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A020688 as a simple table

na(n)
10
25
39
414
520
629
736
841
945
1054
1156
1280
1381
1486
1589
16101
17116
18125
19126
20134
21144
22149
23161
24164
25180
26189
27206
28216
29224
30225
31230
32245
33254
34261
35269
36270
37281
38305
39320
40324
41326
42329
43344
44350
45356
46369
47389
48401
49404
50405
51414
52441
53446
54449
55461
56464
57470
58486

[0,5,9,14,20,29,36,41,45,54,56,80,81,86,89,101,
 116,125,126,134,144,149,161,164,180,189,206,216,
 224,225,230,245,254,261,269,270,281,305,320,324,
 326,329,344,350,356,369,389,401,404,405,414,441,
 446,449,461,464,470,486]