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A299971 as a simple table

na(n)
11
29
311
419
521
629
731
839
941
1049
1151
1250
1310
1420
1530
1640
1760
1842
198
202
2118
2212
2328
2422
2538
2632
2748
2852
2953
307
313
3217
3313
3427
3523
3637
3733
3847
3943
4057
4144
426
434
4416
4514
4626
4724
4836
4934
5046
5154
5255
535
5415
5525
5635
5745
5856
5964
6066
6174
6276
6384
6486
6594
6696
67104
6897

[1,9,11,19,21,29,31,39,41,49,51,50,10,20,30,40,60,
 42,8,2,18,12,28,22,38,32,48,52,53,7,3,17,13,27,23,
 37,33,47,43,57,44,6,4,16,14,26,24,36,34,46,54,55,
 5,15,25,35,45,56,64,66,74,76,84,86,94,96,104,97]