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A275583 as a simple table

na(n)
11
22
33
44
55
66
79
87
98
1010
1111
1212
1315
1418
1513
1614
1716
1817
1919
2020
2121
2224
2327
2430
2522
2623
2725
2826
2928
3029
3131
3232
3333
3436
3539
3642
3745
3834
3935
4037
4138
4240
4341
4443
4544
4646
4747
4848
4951
5054
5157
5260
5363
5449
5550
5652
5753
5855
5956
6058
6159
6261
6362
6464
6565
6666
6769
6872
6975
7078
7181
7284
7387
7490
7567
7668
7770
7871
7973
8074
8176
8277
8379
8480
8582
8683
8785
8886
8988
9089
9191
9292
9393

[1,2,3,4,5,6,9,7,8,10,11,12,15,18,13,14,16,17,19,
 20,21,24,27,30,22,23,25,26,28,29,31,32,33,36,39,
 42,45,34,35,37,38,40,41,43,44,46,47,48,51,54,57,
 60,63,49,50,52,53,55,56,58,59,61,62,64,65,66,69,
 72,75,78,81,84,87,90,67,68,70,71,73,74,76,77,79,
 80,82,83,85,86,88,89,91,92,93]