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A176487 as a simple table

na(n)
01
11
21
31
45
51
61
713
813
91
101
1129
1271
1329
141
151
1661
17311
18311
1961
201
211
22125
231205
242435
251205
26125
271
281
29253
304313
3115653
3215653
334313
34253
351
361
37509
3814635
3988289
40156259
4188289
4214635
43509
441
451
461021
4747875
48455275
491310479
501310479
51455275
5247875

[1,1,1,1,5,1,1,13,13,1,1,29,71,29,1,1,61,311,311,
 61,1,1,125,1205,2435,1205,125,1,1,253,4313,15653,
 15653,4313,253,1,1,509,14635,88289,156259,88289,
 14635,509,1,1,1021,47875,455275,1310479,1310479,
 455275,47875]