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A154123 as a simple table

na(n)
00
11
22
33
45
56
64
77
88
911
1012
1113
1216
1319
1415
1514
169
1717
1818
1910
2020
2121
2222
2328
2429
2530
2631
2732
2833
2934
3035
3144
3247
3336
3453
3556
3660
3739
3840
3941
4042
4151
4243
4337
4423
4545
4646
4724
4848
4949
5050
5152
5238
5325
5454
5555
5626
5757
5858
5959
6027
6161
6262
6363
6464
6579
6680
6781
6882
6983
7084
7185

[0,1,2,3,5,6,4,7,8,11,12,13,16,19,15,14,9,17,18,
 10,20,21,22,28,29,30,31,32,33,34,35,44,47,36,53,
 56,60,39,40,41,42,51,43,37,23,45,46,24,48,49,50,
 52,38,25,54,55,26,57,58,59,27,61,62,63,64,79,80,
 81,82,83,84,85]