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A305933 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
1011
1112
1213
1314
1419
1523
1624
1726
1827
1928
2031
2134
2268
2310
2415
2516
2617
2718
2820
2925
3029
3143
3247
3350
3452
3563
3672
3773
3822
3930
4032
4133
4236
4338
4439
4540
4641
4742
4844
4945
5046
5148
5251
5353
5456
5558
5660
5761
5862
5964
6069
6171
6283
6393
6496
65108
66111
67123
68136
6921
7037
7149
7267
7375
7481
7582
7687
7790
78105
79112
80121
81129

[0,1,2,3,4,5,6,7,8,9,11,12,13,14,19,23,24,26,27,
 28,31,34,68,10,15,16,17,18,20,25,29,43,47,50,52,
 63,72,73,22,30,32,33,36,38,39,40,41,42,44,45,46,
 48,51,53,56,58,60,61,62,64,69,71,83,93,96,108,111,
 123,136,21,37,49,67,75,81,82,87,90,105,112,121,
 129]