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A060126 as a simple table

na(n)
00
11
22
33
45
54
66
77
88
99
1011
1110
1214
1315
1412
1513
1616
1717
1823
1922
2019
2118
2221
2320
2424
2525
2626
2727
2829
2928
3030
3131
3232
3333
3435
3534
3638
3739
3836
3937
4040
4141
4247
4346
4443
4542
4645
4744
4854
4955
5056
5157
5259
5358
5448
5549
5650
5751
5853
5952
6060
6161
6262
6363
6465
6564
6667
6766
6871
6970
7068
7169

[0,1,2,3,5,4,6,7,8,9,11,10,14,15,12,13,16,17,23,
 22,19,18,21,20,24,25,26,27,29,28,30,31,32,33,35,
 34,38,39,36,37,40,41,47,46,43,42,45,44,54,55,56,
 57,59,58,48,49,50,51,53,52,60,61,62,63,65,64,67,
 66,71,70,68,69]