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A001362 as a simple table

na(n)
01
11
22
32
44
54
66
76
89
99
1013
1113
1218
1318
1424
1524
1631
1731
1839
1939
2049
2149
2260
2360
2473
2573
2687
2787
28103
29103
30121
31121
32141
33141
34163
35163
36187
37187
38213
39213
40242
41242
42273
43273
44307
45307
46343
47343
48382
49382
50424
51424
52469
53469
54517
55517
56568
57568
58622
59622

[1,1,2,2,4,4,6,6,9,9,13,13,18,18,24,24,31,31,39,
 39,49,49,60,60,73,73,87,87,103,103,121,121,141,
 141,163,163,187,187,213,213,242,242,273,273,307,
 307,343,343,382,382,424,424,469,469,517,517,568,
 568,622,622]