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A004276 as a simple table

na(n)
00
11
22
33
44
55
67
79
811
913
1015
1117
1219
1321
1423
1525
1627
1729
1831
1933
2035
2137
2239
2341
2443
2545
2647
2749
2851
2953
3055
3157
3259
3361
3463
3565
3667
3769
3871
3973
4075
4177
4279
4381
4483
4585
4687
4789
4891
4993
5095
5197
5299
53101
54103
55105
56107
57109
58111
59113
60115
61117
62119
63121
64123
65125
66127
67129
68131

[0,1,2,3,4,5,7,9,11,13,15,17,19,21,23,25,27,29,31,
 33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,
 65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,
 97,99,101,103,105,107,109,111,113,115,117,119,121,
 123,125,127,129,131]