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A131859 as a simple table

na(n)
11
23
39
411
516
618
721
823
924
1026
1129
1231
1333
1435
1541
1643
1748
1850
1953
2055
2156
2258
2361
2463
2581
2683
2789
2891
29113
30115
31121
32123
33129
34131
35137
36139
37144
38146
39149
40151
41152
42154
43157
44159
45161
46163
47169
48171
49176
50178
51181
52183
53184
54186
55189
56191
57209
58211
59217

[1,3,9,11,16,18,21,23,24,26,29,31,33,35,41,43,48,
 50,53,55,56,58,61,63,81,83,89,91,113,115,121,123,
 129,131,137,139,144,146,149,151,152,154,157,159,
 161,163,169,171,176,178,181,183,184,186,189,191,
 209,211,217]