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A257731 as a simple table

na(n)
11
23
39
42
533
65
77
814
94
1045
11163
128
1315
1411
1520
166
1725
1859
1963
20203
2112
2222
2313
2417
2528
2610
2735
2878
29235
3083
311093
32251
3318
3430
3519
3624
3731
3839
3916
4047
4167
42101
4343
44290
45107
461283
4787
48309
4926
5041
5127
5234
5321
5442
5553
5623
5761
5888
59115
60128
61321
6257
63354
64137
651499
66112
67349
68376
6936
7055
711401
7238
7349
7446
7529
7656
7770
7832
7999
8081

[1,3,9,2,33,5,7,14,4,45,163,8,15,11,20,6,25,59,63,
 203,12,22,13,17,28,10,35,78,235,83,1093,251,18,30,
 19,24,31,39,16,47,67,101,43,290,107,1283,87,309,
 26,41,27,34,21,42,53,23,61,88,115,128,321,57,354,
 137,1499,112,349,376,36,55,1401,38,49,46,29,56,70,
 32,99,81]