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A075868 as a simple table

na(n)
23
36
415
520
621
728
835
950
1066
1198
1299
13104
14105
15114
16125
17130
18154
19170
20210
21230
22276
23325
24351
25352
26363
27372
28374
29380
30414
31444
32459
33476
34532
35539
36558
37572
38580
39585
40608
41666
42693
43696
44845
45847
46950
47968
48975

[3,6,15,20,21,28,35,50,66,98,99,104,105,114,125,
 130,154,170,210,230,276,325,351,352,363,372,374,
 380,414,444,459,476,532,539,558,572,580,585,608,
 666,693,696,845,847,950,968,975]