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A307485 as a simple table

na(n)
00
11
22
34
43
55
67
79
86
98
1010
1112
1214
1316
1418
1520
1611
1713
1815
1917
2019
2121
2223
2325
2427
2529
2631
2733
2835
2937
3039
3141
3222
3324
3426
3528
3630
3732
3834
3936
4038
4140
4242
4344
4446
4548
4650
4752
4854
4956
5058
5160
5262
5364
5466
5568
5670
5772
5874
5976
6078
6180
6282
6384
6443
6545
6647
6749
6851
6953
7055

[0,1,2,4,3,5,7,9,6,8,10,12,14,16,18,20,11,13,15,
 17,19,21,23,25,27,29,31,33,35,37,39,41,22,24,26,
 28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,
 60,62,64,66,68,70,72,74,76,78,80,82,84,43,45,47,
 49,51,53,55]