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A375704 as a simple table

na(n)
13
27
315
424
526
631
735
848
963
1080
1199
12120
13124
14127
15143
16168
17195
18215
19224
20242
21255
22288
23323
24342
25360
26399
27440
28483
29511
30528
31575
32624
33675
34728
35783
36840
37899
38960
39999
401023
411088
421155
431224
441295
451330
461368
471443
481520
491599
501680
511727
521763

[3,7,15,24,26,31,35,48,63,80,99,120,124,127,143,
 168,195,215,224,242,255,288,323,342,360,399,440,
 483,511,528,575,624,675,728,783,840,899,960,999,
 1023,1088,1155,1224,1295,1330,1368,1443,1520,1599,
 1680,1727,1763]