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A251620 as a simple table

na(n)
11
22
33
44
59
610
715
816
922
1023
1130
1231
1343
1451
1561
1662
1779
1887
1988
20101
21114
22127
23132
24142
25153
26158
27167
28175
29194
30204
31215
32222
33233
34238
35247
36274
37283
38296
39301
40324
41329
42338
43355
44364
45375
46386
47393
48414
49423
50430
51435
52452
53479
54490
55497
56506

[1,2,3,4,9,10,15,16,22,23,30,31,43,51,61,62,79,87,
 88,101,114,127,132,142,153,158,167,175,194,204,
 215,222,233,238,247,274,283,296,301,324,329,338,
 355,364,375,386,393,414,423,430,435,452,479,490,
 497,506]