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A028268 as a simple table

na(n)
01
13
25
313
47
519
645
79
871
943
10105
11161
1211
1353
14201
15265
16615
1789
18341
191617
2015
21103
221221
232497
243795
25533
261651
278151
2817
29651
305369
3114443
32151
33785
342835
357553
3615379
3724453
3830745
39169
401105
4121
421293
435661
44229
451501
4624225
4723
48251
498455

[1,3,5,13,7,19,45,9,71,43,105,161,11,53,201,265,
 615,89,341,1617,15,103,1221,2497,3795,533,1651,
 8151,17,651,5369,14443,151,785,2835,7553,15379,
 24453,30745,169,1105,21,1293,5661,229,1501,24225,
 23,251,8455]