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A277266 as a simple table

na(n)
01
12
25
37
48
511
613
712
818
917
1020
1120
1223
1326
1426
1529
1631
1730
1835
1933
2038
2142
2239
2342
2446
2545
2650
2748
2851
2953
3056
3155
3259
3360
3465
3563
3666
3766
3869
3972
4074
4173
4279
4376
4479
4583
4682
4785
4889
4986
5092
5191
5294
5396
5497
55103
56102
57101
58105
59104
60111
61109
62110
63116
64115
65118
66120
67117
68126
69124
70125

[1,2,5,7,8,11,13,12,18,17,20,20,23,26,26,29,31,30,
 35,33,38,42,39,42,46,45,50,48,51,53,56,55,59,60,
 65,63,66,66,69,72,74,73,79,76,79,83,82,85,89,86,
 92,91,94,96,97,103,102,101,105,104,111,109,110,
 116,115,118,120,117,126,124,125]