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A075065 as a simple table

na(n)
11
24
39
46
515
68
721
810
925
1012
1127
1214
1333
1416
1535
1618
1739
1820
1945
2022
2149
2224
2351
2426
2555
2628
2757
2830
2963
3032
3165
3234
3369
3436
3575
3638
3777
3840
3981
4042
4185
4244
4387
4446
4591
4648
4793
4850
4995
5052
5199
5254
53105
5456
55111
5658
57115
5860
59117
6062
61119
6264
63121
6466

[1,4,9,6,15,8,21,10,25,12,27,14,33,16,35,18,39,20,
 45,22,49,24,51,26,55,28,57,30,63,32,65,34,69,36,
 75,38,77,40,81,42,85,44,87,46,91,48,93,50,95,52,
 99,54,105,56,111,58,115,60,117,62,119,64,121,66]