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A309408 as a simple table

na(n)
00
11
21
32
43
55
67
710
813
918
1023
1129
1236
1344
1453
1563
1674
1785
1898
19111
20125
21140
22157
23174
24192
25211
26231
27251
28273
29296
30319
31343
32369
33395
34423
35451
36481
37510
38541
39573
40606
41640
42675
43710
44747
45785
46823
47863
48903
49944
50987
511030
521074
531119
541165
551212
561260
571309
581359
591409
601462
611514
621568
631622
641678
651734
661791

[0,1,1,2,3,5,7,10,13,18,23,29,36,44,53,63,74,85,
 98,111,125,140,157,174,192,211,231,251,273,296,
 319,343,369,395,423,451,481,510,541,573,606,640,
 675,710,747,785,823,863,903,944,987,1030,1074,
 1119,1165,1212,1260,1309,1359,1409,1462,1514,1568,
 1622,1678,1734,1791]