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A257339 as a simple table

na(n)
11
22
33
45
54
67
76
811
99
1013
1117
1219
138
1423
1529
1621
1725
1831
1937
2041
2135
2243
2347
2410
2549
2612
2753
2814
2915
3059
3127
3255
3339
3416
3561
3622
3751
3867
3918
4065
4124
4271
4326
4433
4532
4657
4773
4879
4983
5077
5185
5289
5397
54101
5528
5695
5734
5891
5938
60103
61107
6245
63109
64113
6520
66121

[1,2,3,5,4,7,6,11,9,13,17,19,8,23,29,21,25,31,37,
 41,35,43,47,10,49,12,53,14,15,59,27,55,39,16,61,
 22,51,67,18,65,24,71,26,33,32,57,73,79,83,77,85,
 89,97,101,28,95,34,91,38,103,107,45,109,113,20,
 121]