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A269702 as a simple table

na(n)
01
15
29
341
421
5101
649
7185
861
9309
1097
11449
12125
13633
14201
15829
16177
171117
18205
191445
20181
211681
22385
231925
24437
252337
26465
272717
28521
293141
30765
313465
32729
334117
34673
354697
36761
375117
381013
395613
40933
416337
421133
436797
441345
457437
461549
478189
481293

[1,5,9,41,21,101,49,185,61,309,97,449,125,633,201,
 829,177,1117,205,1445,181,1681,385,1925,437,2337,
 465,2717,521,3141,765,3465,729,4117,673,4697,761,
 5117,1013,5613,933,6337,1133,6797,1345,7437,1549,
 8189,1293]