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A173182 as a simple table

na(n)
17
23
36
440
520
660
716
817
923
1025
1124
1234
1364
14117
15125
16124
17135
18134
19144
20154
21254
22335
23334
24344
25354
26654
273154
283235
293234
303244
313254
323354
333444
343454
356454
3616254
3716354
3816444
3916454
4017454
4123454
4224444
4324454
4434454
4564454
46117454
47124444
48124454
49134444
50134454

[7,3,6,40,20,60,16,17,23,25,24,34,64,117,125,124,
 135,134,144,154,254,335,334,344,354,654,3154,3235,
 3234,3244,3254,3354,3444,3454,6454,16254,16354,
 16444,16454,17454,23454,24444,24454,34454,64454,
 117454,124444,124454,134444,134454]