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A109613 as a simple table

na(n)
01
11
23
33
45
55
67
77
89
99
1011
1111
1213
1313
1415
1515
1617
1717
1819
1919
2021
2121
2223
2323
2425
2525
2627
2727
2829
2929
3031
3131
3233
3333
3435
3535
3637
3737
3839
3939
4041
4141
4243
4343
4445
4545
4647
4747
4849
4949
5051
5151
5253
5353
5455
5555
5657
5757
5859
5959
6061
6161
6263
6363
6465
6565
6667
6767
6869
6969
7071
7171
7273

[1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,17,17,19,
 19,21,21,23,23,25,25,27,27,29,29,31,31,33,33,35,
 35,37,37,39,39,41,41,43,43,45,45,47,47,49,49,51,
 51,53,53,55,55,57,57,59,59,61,61,63,63,65,65,67,
 67,69,69,71,71,73]