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A050824 as a simple table

na(n)
11
21
33
43
55
67
79
811
911
1013
1115
1217
1319
1421
1523
1625
1725
1827
1929
2029
2129
2231
2333
2435
2537
2639
2741
2841
2943
3045
3145
3245
3345
3445
3547
3649
3751
3853
3955
4057
4157
4259
4361
4463
4565
4667
4767
4869
4969
5069
5171
5273
5375
5477
5579
5681
5781
5883
5985
6087
6189
6291
6393
6493
6595
6697
6799
6899
69101
70101

[1,1,3,3,5,7,9,11,11,13,15,17,19,21,23,25,25,27,
 29,29,29,31,33,35,37,39,41,41,43,45,45,45,45,45,
 47,49,51,53,55,57,57,59,61,63,65,67,67,69,69,69,
 71,73,75,77,79,81,81,83,85,87,89,91,93,93,95,97,
 99,99,101,101]