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A338242 as a simple table

na(n)
00
11
22
33
44
58
66
77
85
99
1010
1111
1212
1313
1426
1524
1625
1723
1818
1919
2020
2121
2222
2317
2415
2516
2614
2727
2828
2929
3030
3131
3235
3333
3434
3532
3636
3737
3838
3939
4040
4180
4278
4379
4477
4572
4673
4774
4875
4976
5071
5169
5270
5368
5454
5555
5656
5757
5858
5962
6060
6161
6259
6363
6464
6565
6666
6767

[0,1,2,3,4,8,6,7,5,9,10,11,12,13,26,24,25,23,18,
 19,20,21,22,17,15,16,14,27,28,29,30,31,35,33,34,
 32,36,37,38,39,40,80,78,79,77,72,73,74,75,76,71,
 69,70,68,54,55,56,57,58,62,60,61,59,63,64,65,66,
 67]