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A031026 as a simple table

na(n)
11
27
32
49
53
611
74
858
96
101
118
1265
1310
1468
157
1671
1714
1874
1916
2077
2118
2263
2315
2483
2522
262
2724
2889
299
3092
3123
3295
3330
3498
3532
363
3734
3817
3936
4031
4138
42110
4340
4411
4542
4625
4744
4839
4946
504
5149
52531
5352
54559
5555
56506
5758
58604
5961
60608
6164
62612
6367
646

[1,7,2,9,3,11,4,58,6,1,8,65,10,68,7,71,14,74,16,
 77,18,63,15,83,22,2,24,89,9,92,23,95,30,98,32,3,
 34,17,36,31,38,110,40,11,42,25,44,39,46,4,49,531,
 52,559,55,506,58,604,61,608,64,612,67,6]