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A187945 as a simple table

na(n)
11
22
33
44
56
67
78
89
910
1011
1112
1214
1315
1416
1517
1619
1720
1821
1922
2023
2124
2225
2327
2428
2529
2630
2731
2832
2933
3035
3136
3237
3338
3440
3541
3642
3743
3844
3945
4046
4148
4249
4350
4451
4553
4654
4755
4856
4957
5058
5159
5261
5362
5463
5564
5665
5766
5867
5969
6070
6171
6272
6374
6475
6576
6677
6778
6879
6980
7082
7183
7284
7385
7486
7587
7688
7790
7891
7992
8093
8195
8296
8397
8498
8599
86100
87101
88103
89104
90105

[1,2,3,4,6,7,8,9,10,11,12,14,15,16,17,19,20,21,22,
 23,24,25,27,28,29,30,31,32,33,35,36,37,38,40,41,
 42,43,44,45,46,48,49,50,51,53,54,55,56,57,58,59,
 61,62,63,64,65,66,67,69,70,71,72,74,75,76,77,78,
 79,80,82,83,84,85,86,87,88,90,91,92,93,95,96,97,
 98,99,100,101,103,104,105]