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A248221 as a simple table

na(n)
11
23
36
410
513
618
721
824
925
1031
1136
1239
1340
1443
1545
1646
1749
1855
1960
2064
2166
2273
2378
2485
2591
2694
2796
28109
29115
30123
31124
32126
33129
34130
35133
36138
37139
38141
39144
40145
41151
42154
43159
44165
45168
46171
47174
48178
49181
50189
51193
52195
53196
54201
55211
56223
57225
58229

[1,3,6,10,13,18,21,24,25,31,36,39,40,43,45,46,49,
 55,60,64,66,73,78,85,91,94,96,109,115,123,124,126,
 129,130,133,138,139,141,144,145,151,154,159,165,
 168,171,174,178,181,189,193,195,196,201,211,223,
 225,229]