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A099608 as a simple table

na(n)
01
11
21
31
43
51
61
75
87
91
101
117
1219
1313
141
151
169
1737
1855
1921
201
211
2211
2361
24147
25131
2631
271
281
2913
3091
31309
32471
33271
3443
351
361
3715
38127
39561
401251
411281
42505
4357
441
451
4617
47169
48923
492751
504251
513067
52869
5373
541
551
5619
57217
581415
595321
6011253
6112559
626637
631405
6491
651

[1,1,1,1,3,1,1,5,7,1,1,7,19,13,1,1,9,37,55,21,1,1,
 11,61,147,131,31,1,1,13,91,309,471,271,43,1,1,15,
 127,561,1251,1281,505,57,1,1,17,169,923,2751,4251,
 3067,869,73,1,1,19,217,1415,5321,11253,12559,6637,
 1405,91,1]