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A047431 as a simple table

na(n)
11
24
35
46
59
612
713
814
917
1020
1121
1222
1325
1428
1529
1630
1733
1836
1937
2038
2141
2244
2345
2446
2549
2652
2753
2854
2957
3060
3161
3262
3365
3468
3569
3670
3773
3876
3977
4078
4181
4284
4385
4486
4589
4692
4793
4894
4997
50100
51101
52102
53105
54108
55109
56110
57113
58116
59117
60118
61121
62124

[1,4,5,6,9,12,13,14,17,20,21,22,25,28,29,30,33,36,
 37,38,41,44,45,46,49,52,53,54,57,60,61,62,65,68,
 69,70,73,76,77,78,81,84,85,86,89,92,93,94,97,100,
 101,102,105,108,109,110,113,116,117,118,121,124]