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A186423 as a simple table

na(n)
00
11
23
34
48
511
617
720
828
933
1043
1148
1260
1367
1481
1588
16104
17113
18131
19140
20160
21171
22193
23204
24228
25241
26267
27280
28308
29323
30353
31368
32400
33417
34451
35468
36504
37523
38561
39580
40620
41641
42683
43704
44748
45771
46817
47840
48888
49913
50963
51988
521040
531067
541121
551148
561204
571233
581291
591320

[0,1,3,4,8,11,17,20,28,33,43,48,60,67,81,88,104,
 113,131,140,160,171,193,204,228,241,267,280,308,
 323,353,368,400,417,451,468,504,523,561,580,620,
 641,683,704,748,771,817,840,888,913,963,988,1040,
 1067,1121,1148,1204,1233,1291,1320]