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A006874 as a simple table

na(n)
11
21
32
43
54
66
76
89
910
1012
1110
1222
1312
1418
1524
1627
1716
1838
1918
2044
2136
2230
2322
2478
2536
2636
2750
2866
2928
30104
3130
3281
3360
3448
3572
36158
3736
3854
3972
40156
4140
42156
4342
44110
45152
4666
4746
48270
4978
50140
5196
52132
5352
54230
55120
56234
57108
5884
5958
60456
6160
6290
63228
64243
65144
66260

[1,1,2,3,4,6,6,9,10,12,10,22,12,18,24,27,16,38,18,
 44,36,30,22,78,36,36,50,66,28,104,30,81,60,48,72,
 158,36,54,72,156,40,156,42,110,152,66,46,270,78,
 140,96,132,52,230,120,234,108,84,58,456,60,90,228,
 243,144,260]