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A198343 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1112
1213
1314
1415
1516
1618
1720
1821
1924
2026
2127
2228
2330
2435
2536
2639
2740
2842
2945
3048
3152
3254
3356
3460
3563
3665
3770
3872
3978
4080
4184
4290
4391
44104
45105
46108
47112
48117
49120
50126
51130
52135
53140
54144
55156
56168
57180
58182
59189
60195
61208
62210
63216
64234
65240
66252
67260
68270
69273
70280
71312
72315
73336
74351
75360
76364
77378
78390
79420
80432
81455

[1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,18,20,21,24,
 26,27,28,30,35,36,39,40,42,45,48,52,54,56,60,63,
 65,70,72,78,80,84,90,91,104,105,108,112,117,120,
 126,130,135,140,144,156,168,180,182,189,195,208,
 210,216,234,240,252,260,270,273,280,312,315,336,
 351,360,364,378,390,420,432,455]