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A287421 as a simple table

na(n)
13
25
39
411
515
618
720
824
927
1029
1133
1236
1338
1442
1545
1648
1750
1854
1956
2060
2163
2266
2368
2472
2574
2678
2781
2883
2987
3090
3192
3296
3399
34102
35104
36108
37110
38114
39117
40120
41122
42126
43128
44132
45135
46138
47140
48144
49146
50150
51153
52155
53159
54162
55164
56168
57171
58173
59177

[3,5,9,11,15,18,20,24,27,29,33,36,38,42,45,48,50,
 54,56,60,63,66,68,72,74,78,81,83,87,90,92,96,99,
 102,104,108,110,114,117,120,122,126,128,132,135,
 138,140,144,146,150,153,155,159,162,164,168,171,
 173,177]