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A184883 as a simple table

na(n)
01
11
21
31
45
51
61
79
813
91
101
1113
1241
1325
141
151
1617
1785
18129
1941
201
211
2221
23145
24377
25321
2661
271
281
2925
30221
31833
321289
33681
3485
351
361
3729
38313
391561
403649
413653
421289
43113
441
451
4633
47421
482625
498361
5013073
518989
522241
53145
541
551
5637
57545
584089
5916641
6036365
6140081
6219825
633649
64181
651

[1,1,1,1,5,1,1,9,13,1,1,13,41,25,1,1,17,85,129,41,
 1,1,21,145,377,321,61,1,1,25,221,833,1289,681,85,
 1,1,29,313,1561,3649,3653,1289,113,1,1,33,421,
 2625,8361,13073,8989,2241,145,1,1,37,545,4089,
 16641,36365,40081,19825,3649,181,1]