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A306649 as a simple table

na(n)
11
25
37
447
511
635
715
897
9127
1055
1123
1247
1327
1425
1577
163567
1735
18635
1939
20517
21105
22115
2347
2497
25491
2645
271621
28235
2959
30385
3163
3237063
33161
34175
3555
365969
3775
3813
3927
401067
4183
42175
4387
441081
451397
46235
4795
483567
491247
502455
51245
52423
53107
541621
55253
56291

[1,5,7,47,11,35,15,97,127,55,23,47,27,25,77,3567,
 35,635,39,517,105,115,47,97,491,45,1621,235,59,
 385,63,37063,161,175,55,5969,75,13,27,1067,83,175,
 87,1081,1397,235,95,3567,1247,2455,245,423,107,
 1621,253,291]