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A287326 as a simple table

na(n)
01
11
21
31
47
51
61
713
813
91
101
1119
1225
1319
141
151
1625
1737
1837
1925
201
211
2231
2349
2455
2549
2631
271
281
2937
3061
3173
3273
3361
3437
351
361
3743
3873
3991
4097
4191
4273
4343
441
451
4649
4785
48109
49121
50121
51109
5285
5349
541
551
5655
5797
58127
59145
60151
61145
62127
6397
6455
651
661
6761
68109
69145
70169
71181
72181
73169
74145
75109
7661
771

[1,1,1,1,7,1,1,13,13,1,1,19,25,19,1,1,25,37,37,25,
 1,1,31,49,55,49,31,1,1,37,61,73,73,61,37,1,1,43,
 73,91,97,91,73,43,1,1,49,85,109,121,121,109,85,49,
 1,1,55,97,127,145,151,145,127,97,55,1,1,61,109,
 145,169,181,181,169,145,109,61,1]