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A277012 as a simple table

na(n)
00
11
22
35
46
513
64
79
810
921
1022
1145
1212
1325
1426
1553
1654
17109
1828
1957
2058
21117
22118
23237
248
2517
2618
2737
2838
2977
3020
3141
3242
3385
3486
35173
3644
3789
3890
39181
40182
41365
4292
43185
44186
45373
46374
47749
4824
4949
5050
51101
52102
53205
5452
55105
56106
57213
58214
59429
60108
61217
62218
63437
64438
65877
66220
67441
68442
69885
70886
711773
7256
73113
74114
75229
76230
77461
78116
79233

[0,1,2,5,6,13,4,9,10,21,22,45,12,25,26,53,54,109,
 28,57,58,117,118,237,8,17,18,37,38,77,20,41,42,85,
 86,173,44,89,90,181,182,365,92,185,186,373,374,
 749,24,49,50,101,102,205,52,105,106,213,214,429,
 108,217,218,437,438,877,220,441,442,885,886,1773,
 56,113,114,229,230,461,116,233]