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A247631 as a simple table

na(n)
18
29
310
411
514
620
724
828
937
1047
1151
1254
1357
1458
1559
1662
1763
1869
1981
2082
2185
2292
23106
24121
25128
26129
27147
28148
29149
30150
31161
32162
33165
34168
35181
36182
37183
38186
39190
40200
41201
42214
43217
44218
45219
46225
47226
48227
49228
50232
51236
52241
53245
54248
55249
56258

[8,9,10,11,14,20,24,28,37,47,51,54,57,58,59,62,63,
 69,81,82,85,92,106,121,128,129,147,148,149,150,
 161,162,165,168,181,182,183,186,190,200,201,214,
 217,218,219,225,226,227,228,232,236,241,245,248,
 249,258]