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A166499 as a simple table

na(n)
123
235
357
471
511
631
771
892
932
1093
1113
1274
1314
1434
1575
1635
1796
1816
1977
2017
2137
2298
2338
2499
2571
2611
2731
2871
2991
3031
3171
3211
3371
3491
3591
3611
3771
3831
3971
4031
4191
4211
4311
4431
4571
4692
4712
4832
4972
5092
5132
5292
5312
5412
5572
5632
5792
5812
5972
6012
6132
6233
6373
6413
6533
6673
6713
6873
6973

[23,35,57,71,11,31,71,92,32,93,13,74,14,34,75,35,
 96,16,77,17,37,98,38,99,71,11,31,71,91,31,71,11,
 71,91,91,11,71,31,71,31,91,11,11,31,71,92,12,32,
 72,92,32,92,12,12,72,32,92,12,72,12,32,33,73,13,
 33,73,13,73,73]