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A277018 as a simple table

na(n)
00
11
22
34
45
56
68
79
810
912
1013
1116
1217
1318
1420
1521
1622
1724
1825
1926
2028
2132
2233
2334
2436
2537
2638
2740
2841
2942
3044
3145
3248
3349
3450
3552
3653
3754
3856
3957
4058
4160
4264
4365
4466
4568
4669
4770
4872
4973
5074
5176
5277
5380
5481
5582
5684
5785
5886
5988
6089
6190
6292
6396
6497
6598
66100
67101
68102
69104
70105
71106
72108
73109
74112
75113
76114
77116
78117
79118
80120

[0,1,2,4,5,6,8,9,10,12,13,16,17,18,20,21,22,24,25,
 26,28,32,33,34,36,37,38,40,41,42,44,45,48,49,50,
 52,53,54,56,57,58,60,64,65,66,68,69,70,72,73,74,
 76,77,80,81,82,84,85,86,88,89,90,92,96,97,98,100,
 101,102,104,105,106,108,109,112,113,114,116,117,
 118,120]