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A251554 as a simple table

na(n)
11
22
35
44
515
68
73
810
99
1014
1127
127
136
1435
1512
1625
1716
1845
1922
2021
2111
2218
2355
2424
2565
2628
2713
2820
2939
3032
3133
3226
3351
3438
3517
3619
3734
3857
3940
4063
4144
4249
4330
4477
4536
4691
4746
48105
4923
5042
51115
5248
5385
5452
5575
5656
5769
5850
5981
6058
6193
6229
6331
6487
6562
6699
6764
68111

[1,2,5,4,15,8,3,10,9,14,27,7,6,35,12,25,16,45,22,
 21,11,18,55,24,65,28,13,20,39,32,33,26,51,38,17,
 19,34,57,40,63,44,49,30,77,36,91,46,105,23,42,115,
 48,85,52,75,56,69,50,81,58,93,29,31,87,62,99,64,
 111]