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A026501 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1112
1213
1315
1416
1518
1621
1722
1824
1925
2028
2130
2233
2337
2440
2542
2645
2748
2857
2958
3060
3170
3272
3378
3485
3588
3693
37100
38102
39105
40112
41120
42130
43133
44145
45148
46165
47168
48177
49190
50210
51217
52221
53232
54240
55253
56254
57262
58263
59267
60273
61277
62280

[1,2,3,4,5,6,7,8,9,10,12,13,15,16,18,21,22,24,25,
 28,30,33,37,40,42,45,48,57,58,60,70,72,78,85,88,
 93,100,102,105,112,120,130,133,145,148,165,168,
 177,190,210,217,221,232,240,253,254,262,263,267,
 273,277,280]