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A001312 as a simple table

na(n)
01
11
22
32
43
54
65
76
87
98
1011
1112
1215
1316
1419
1522
1625
1728
1831
1934
2040
2143
2249
2352
2458
2564
2670
2776
2882
2988
3098
31104
32114
33120
34130
35140
36150
37160
38170
39180
40195
41205
42220
43230
44245
45260
46275
47290
48305
49320
50342
51357
52379
53394
54416
55438
56460
57482
58504
59526

[1,1,2,2,3,4,5,6,7,8,11,12,15,16,19,22,25,28,31,
 34,40,43,49,52,58,64,70,76,82,88,98,104,114,120,
 130,140,150,160,170,180,195,205,220,230,245,260,
 275,290,305,320,342,357,379,394,416,438,460,482,
 504,526]