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A257220 as a simple table

na(n)
13
26
39
412
513
615
718
821
923
1024
1126
1227
1330
1431
1532
1633
1734
1835
1936
2037
2138
2239
2342
2443
2545
2646
2748
2851
2952
3053
3154
3257
3360
3462
3563
3664
3765
3866
3968
4069
4170
4272
4373
4474
4575
4676
4778
4881
4983
5084
5186
5287
5390
5491
5592
5693
5796
5899
59102
60103
61104
62105
63106
64108

[3,6,9,12,13,15,18,21,23,24,26,27,30,31,32,33,34,
 35,36,37,38,39,42,43,45,46,48,51,52,53,54,57,60,
 62,63,64,65,66,68,69,70,72,73,74,75,76,78,81,83,
 84,86,87,90,91,92,93,96,99,102,103,104,105,106,
 108]