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A249278 as a simple table

na(n)
00
12
24
36
48
520
621
71
83
95
107
119
1210
1322
1423
1511
1612
1724
1825
1913
2014
2126
2227
2315
2416
2528
2629
2717
2818
2940
3041
3119
3230
3342
3443
3531
3632
3744
3845
3933
4034
4146
4247
4335
4436
4548
4649
4737
4838
4960
5061
5139
5250
5362
5463
5551
5652
5764
5865
5953
6054
6166
6267
6355
6456
6568
6669
6757
6858
6980
7081
7159
7270
7382
7483
7571
7672
7784
7885
7973
8074
8186
8287
8375
8476
8588
8689
8777
8878
89200
90201

[0,2,4,6,8,20,21,1,3,5,7,9,10,22,23,11,12,24,25,
 13,14,26,27,15,16,28,29,17,18,40,41,19,30,42,43,
 31,32,44,45,33,34,46,47,35,36,48,49,37,38,60,61,
 39,50,62,63,51,52,64,65,53,54,66,67,55,56,68,69,
 57,58,80,81,59,70,82,83,71,72,84,85,73,74,86,87,
 75,76,88,89,77,78,200,201]