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A328021 as a simple table

na(n)
11
22
33
45
54
66
78
810
97
109
1112
1211
1315
1414
1513
1616
1717
1818
1920
2019
2121
2222
2323
2425
2524
2626
2727
2828
2930
3029
3131
3232
3333
3435
3534
3636
3737
3838
3940
4039
4141
4242
4343
4445
4544
4646
4747
4848
4950
5049
5151
5253
5355
5452
5554
5656
5758
5860
5957
6059
6162
6265
6361
6464
6566
6663
6770
6868
6973
7067
7169
7275

[1,2,3,5,4,6,8,10,7,9,12,11,15,14,13,16,17,18,20,
 19,21,22,23,25,24,26,27,28,30,29,31,32,33,35,34,
 36,37,38,40,39,41,42,43,45,44,46,47,48,50,49,51,
 53,55,52,54,56,58,60,57,59,62,65,61,64,66,63,70,
 68,73,67,69,75]