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A044815 as a simple table

na(n)
11
22
33
45
510
615
716
820
921
1022
1123
1226
1331
1432
1537
1640
1741
1842
1943
2047
2148
2253
2358
2460
2561
2662
2763
2864
2984
3085
3186
3287
33106
34127
35128
36149
37168
38169
39170
40171
41191
42192
43213
44234
45252
46253
47254
48255
49256
50320
51336
52340
53341
54342
55343
56346
57351
58362
59383
60426
61511

[1,2,3,5,10,15,16,20,21,22,23,26,31,32,37,40,41,
 42,43,47,48,53,58,60,61,62,63,64,84,85,86,87,106,
 127,128,149,168,169,170,171,191,192,213,234,252,
 253,254,255,256,320,336,340,341,342,343,346,351,
 362,383,426,511]