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A081491 as a simple table

na(n)
11
22
33
44
56
68
79
812
915
1018
1119
1223
1327
1431
1535
1636
1741
1846
1951
2056
2161
2262
2368
2474
2580
2686
2792
2898
2999
30106
31113
32120
33127
34134
35141
36148
37149
38157
39165
40173
41181
42189
43197
44205
45213
46214
47223
48232
49241
50250
51259
52268
53277
54286
55295
56296
57306
58316
59326
60336
61346

[1,2,3,4,6,8,9,12,15,18,19,23,27,31,35,36,41,46,
 51,56,61,62,68,74,80,86,92,98,99,106,113,120,127,
 134,141,148,149,157,165,173,181,189,197,205,213,
 214,223,232,241,250,259,268,277,286,295,296,306,
 316,326,336,346]