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A031941 as a simple table

na(n)
11
22
33
45
56
67
710
811
915
1016
1119
1220
1321
1423
1530
1632
1733
1834
1946
2047
2148
2250
2357
2459
2560
2661
2764
2865
2969
3070
3191
3292
3396
3497
35100
36101
37102
38104
39138
40140
41141
42142
43145
44146
45150
46151
47172
48173
49177
50178
51181
52182
53183
54185
55192

[1,2,3,5,6,7,10,11,15,16,19,20,21,23,30,32,33,34,
 46,47,48,50,57,59,60,61,64,65,69,70,91,92,96,97,
 100,101,102,104,138,140,141,142,145,146,150,151,
 172,173,177,178,181,182,183,185,192]