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A031143 as a simple table

na(n)
11
22
33
44
55
66
78
89
910
1011
1112
1215
1316
1421
1522
1623
1724
1825
1926
2036
2138
2254
2357
2459
2593
26115
27119
28120
29121
30136
31138
32164
33174
34176
35191
36196
37212
38217
39227
40233
41249
42250
43260
44268
45275
46308

[1,2,3,4,5,6,8,9,10,11,12,15,16,21,22,23,24,25,26,
 36,38,54,57,59,93,115,119,120,121,136,138,164,174,
 176,191,196,212,217,227,233,249,250,260,268,275,
 308]