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A173497 as a simple table

na(n)
02
11
22
33
44
56
68
711
815
921
1029
1140
1255
1375
14103
15141
16193
17264
18361
19493
20674
21921
221258
231719
242348
253208
264382
275986
288177
2911170
3015259
3120844
3228474
3338896
3453133
3572581
3699148
37135439
38185013
39252733
40345240
41471607
42644227
43880031

[2,1,2,3,4,6,8,11,15,21,29,40,55,75,103,141,193,
 264,361,493,674,921,1258,1719,2348,3208,4382,5986,
 8177,11170,15259,20844,28474,38896,53133,72581,
 99148,135439,185013,252733,345240,471607,644227,
 880031]