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A085680 as a simple table

na(n)
21
31
42
53
64
76
87
99
1011
1113
1215
1317
1420
1523
1626
1729
1832
1936
2040
2144
2248
2352
2457
2562
2667
2772
2877
2983
3089
3195
32101
33107
34114
35121
36128
37135
38142
39150
40158
41166
42174
43182
44191
45200
46209
47218
48227
49237
50247

[1,1,2,3,4,6,7,9,11,13,15,17,20,23,26,29,32,36,40,
 44,48,52,57,62,67,72,77,83,89,95,101,107,114,121,
 128,135,142,150,158,166,174,182,191,200,209,218,
 227,237,247]