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A280864 as a simple table

na(n)
11
22
34
43
56
68
75
810
912
109
117
1214
1316
1411
1522
1618
1715
1820
1924
2021
2128
2226
2313
2417
2534
2630
2745
2819
2938
3032
3123
3246
3336
3427
3525
3635
3742
3848
3929
4058
4140
4255
4333
4439
4552
4644
4777
4849
4931
5062
5150
5265
5378
5454
5537
5674
5756
5863
5951
6068
6160
6275
6341
6482
6564
6643
6786

[1,2,4,3,6,8,5,10,12,9,7,14,16,11,22,18,15,20,24,
 21,28,26,13,17,34,30,45,19,38,32,23,46,36,27,25,
 35,42,48,29,58,40,55,33,39,52,44,77,49,31,62,50,
 65,78,54,37,74,56,63,51,68,60,75,41,82,64,43,86]