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A316521 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1213
1314
1415
1516
1617
1719
1821
1922
2023
2125
2226
2327
2429
2530
2631
2732
2833
2934
3035
3138
3239
3341
3442
3543
3646
3747
3849
3951
4053
4155
4257
4358
4459
4562
4664
4765
4866
4967
5069
5170
5273
5377
5478
5579
5681
5782
5883
5985
6086
6187
6291
6393
6494
6595
6697
67101

[1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,19,21,22,
 23,25,26,27,29,30,31,32,33,34,35,38,39,41,42,43,
 46,47,49,51,53,55,57,58,59,62,64,65,66,67,69,70,
 73,77,78,79,81,82,83,85,86,87,91,93,94,95,97,101]