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A049794 as a simple table

na(n)
31
42
53
66
711
816
925
1031
1144
1253
1366
1479
1597
16108
17130
18148
19168
20187
21214
22233
23265
24286
25315
26344
27381
28402
29442
30474
31511
32545
33590
34619
35670
36705
37751
38797
39848
40880
41940
42988
431041
441087
451150
461192
471263
481311
491370
501431

[1,2,3,6,11,16,25,31,44,53,66,79,97,108,130,148,
 168,187,214,233,265,286,315,344,381,402,442,474,
 511,545,590,619,670,705,751,797,848,880,940,988,
 1041,1087,1150,1192,1263,1311,1370,1431]