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A067330 as a simple table

na(n)
01
11
22
32
43
55
63
75
87
910
105
118
1212
1315
1420
158
1613
1719
1825
1930
2038
2113
2221
2331
2440
2550
2658
2771
2821
2934
3050
3165
3280
3396
34109
35130
3634
3755
3881
39105
40130
41154
42180
43201
44235
4555
4689
47131
48170
49210
50250
51289
52331
53365
54420
5589
56144
57212
58275
59340
60404
61469
62532
63600
64655
65744
66144
67233
68343
69445

[1,1,2,2,3,5,3,5,7,10,5,8,12,15,20,8,13,19,25,30,
 38,13,21,31,40,50,58,71,21,34,50,65,80,96,109,130,
 34,55,81,105,130,154,180,201,235,55,89,131,170,
 210,250,289,331,365,420,89,144,212,275,340,404,
 469,532,600,655,744,144,233,343,445]