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A248564 as a simple table

na(n)
13
25
37
49
511
613
714
816
918
1020
1121
1223
1325
1426
1528
1630
1731
1833
1935
2036
2138
2240
2341
2443
2545
2646
2748
2850
2951
3053
3154
3256
3358
3459
3561
3663
3764
3866
3967
4069
4171
4272
4374
4476
4577
4679
4780
4882
4984
5085
5187
5288
5390
5492
5593
5695
5797
5898
59100
60101
61103
62105
63106
64108

[3,5,7,9,11,13,14,16,18,20,21,23,25,26,28,30,31,
 33,35,36,38,40,41,43,45,46,48,50,51,53,54,56,58,
 59,61,63,64,66,67,69,71,72,74,76,77,79,80,82,84,
 85,87,88,90,92,93,95,97,98,100,101,103,105,106,
 108]