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A133813 as a simple table

na(n)
11
22
33
44
55
67
78
89
911
1012
1113
1216
1317
1419
1523
1624
1725
1827
1929
2031
2132
2237
2341
2443
2545
2647
2748
2849
2953
3059
3161
3264
3367
3471
3572
3673
3779
3881
3983
4089
4196
4297
43101
44103
45107
46109
47113
48121
49125
50127
51128
52131
53135
54137
55139
56144
57149
58151
59157
60163
61167
62169
63173
64175

[1,2,3,4,5,7,8,9,11,12,13,16,17,19,23,24,25,27,29,
 31,32,37,41,43,45,47,48,49,53,59,61,64,67,71,72,
 73,79,81,83,89,96,97,101,103,107,109,113,121,125,
 127,128,131,135,137,139,144,149,151,157,163,167,
 169,173,175]