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A212533 as a simple table

na(n)
15
25
38
412
521
621
733
840
957
1070
1190
12101
13132
14153
15208
16262
17343
18401
19491
20546
21625
22667
23737
24770
25851
26889
27989
281070
291226
301361
311592
321787
332070
342305
352616
362864
373198
383444
393781
404045
414399
424670
435070
445391
455860
466254
476786
487235
497843
508336

[5,5,8,12,21,21,33,40,57,70,90,101,132,153,208,
 262,343,401,491,546,625,667,737,770,851,889,989,
 1070,1226,1361,1592,1787,2070,2305,2616,2864,3198,
 3444,3781,4045,4399,4670,5070,5391,5860,6254,6786,
 7235,7843,8336]