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A140206 as a simple table

na(n)
00
11
22
34
45
57
69
712
813
913
1015
1116
1218
1319
1422
1524
1625
1727
1827
1928
2030
2133
2234
2336
2438
2539
2640
2740
2843
2945
3047
3148
3249
3351
3453
3556
3656
3757
3858
3960
4062
4163
4266
4368
4469
4569
4671
4772
4874
4977
5078
5180
5281
5383
5483
5584
5687
5789
5891
5992
6094
6195
6296
6396
6497
6599
66101
67104
68106
69109
70112
71116

[0,1,2,4,5,7,9,12,13,13,15,16,18,19,22,24,25,27,
 27,28,30,33,34,36,38,39,40,40,43,45,47,48,49,51,
 53,56,56,57,58,60,62,63,66,68,69,69,71,72,74,77,
 78,80,81,83,83,84,87,89,91,92,94,95,96,96,97,99,
 101,104,106,109,112,116]