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A289178 as a simple table

na(n)
13
25
36
47
58
69
711
812
913
1014
1115
1216
1317
1418
1519
1620
1721
1822
1923
2024
2125
2226
2327
2429
2530
2631
2732
2833
2934
3035
3137
3238
3339
3441
3542
3643
3744
3845
3946
4047
4148
4249
4350
4451
4552
4653
4754
4855
4956
5059
5160
5261
5362
5463
5564
5665
5767
5868
5969
6071
6172
6273
6374
6475
6576
6677

[3,5,6,7,8,9,11,12,13,14,15,16,17,18,19,20,21,22,
 23,24,25,26,27,29,30,31,32,33,34,35,37,38,39,41,
 42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,59,
 60,61,62,63,64,65,67,68,69,71,72,73,74,75,76,77]