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A075313 as a simple table

na(n)
11
22
34
46
57
68
710
811
912
1014
1115
1216
1317
1419
1520
1622
1723
1824
1925
2026
2128
2229
2331
2432
2533
2634
2736
2837
2938
3039
3140
3241
3342
3444
3545
3647
3748
3849
3950
4051
4152
4254
4355
4456
4557
4659
4760
4861
4963
5064
5165
5266
5368
5469
5570
5671
5772
5873
5974
6076
6177
6278
6379
6480
6581
6683
6784
6886
6987
7088
7189

[1,2,4,6,7,8,10,11,12,14,15,16,17,19,20,22,23,24,
 25,26,28,29,31,32,33,34,36,37,38,39,40,41,42,44,
 45,47,48,49,50,51,52,54,55,56,57,59,60,61,63,64,
 65,66,68,69,70,71,72,73,74,76,77,78,79,80,81,83,
 84,86,87,88,89]