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A270200 as a simple table

na(n)
00
11
22
34
47
58
612
713
815
916
1021
1122
1224
1325
1428
1529
1631
1732
1838
1939
2041
2142
2245
2346
2448
2549
2653
2754
2856
2957
3060
3161
3263
3364
3471
3572
3674
3775
3878
3979
4081
4182
4286
4387
4489
4590
4693
4794
4896
4997
50102
51103
52105
53106
54109
55110
56112
57113
58117
59118
60120
61121
62124
63125
64127
65128
66136
67137
68139
69140
70143
71144
72146
73147
74151

[0,1,2,4,7,8,12,13,15,16,21,22,24,25,28,29,31,32,
 38,39,41,42,45,46,48,49,53,54,56,57,60,61,63,64,
 71,72,74,75,78,79,81,82,86,87,89,90,93,94,96,97,
 102,103,105,106,109,110,112,113,117,118,120,121,
 124,125,127,128,136,137,139,140,143,144,146,147,
 151]