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A163985 as a simple table

na(n)
00
11
22
35
47
59
611
713
815
917
1019
1121
1223
1325
1427
1529
1631
1733
1835
1937
2039
2141
2243
2345
2447
2549
2651
2753
2855
2957
3059
3161
3263
3365
3467
3569
3671
3773
3875
3977
4079
4181
4283
4385
4487
4589
4691
4793
4895
4997
5099
51101
52103
53105
54107
55109
56111
57113

[0,1,2,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,
 35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,
 67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,
 99,101,103,105,107,109,111,113]