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A078706 as a simple table

na(n)
12
23
36
46
56
66
78
810
912
1012
1112
1214
1316
1418
1518
1618
1724
1832
1934
2036
2138
2242
2346
2448
2554
2656
2764
2868
2978
3090
3190
3294
33102
34114
35122
36124
37134
38144
39148
40150
41152
42160
43168
44170
45178
46182
47190
48192
49200
50216
51220
52222
53234
54234
55234
56246
57260
58264
59268
60270
61278
62280

[2,3,6,6,6,6,8,10,12,12,12,14,16,18,18,18,24,32,
 34,36,38,42,46,48,54,56,64,68,78,90,90,94,102,114,
 122,124,134,144,148,150,152,160,168,170,178,182,
 190,192,200,216,220,222,234,234,234,246,260,264,
 268,270,278,280]