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A380817 as a simple table

na(n)
11
22
33
44
55
66
79
810
97
108
1111
1212
1313
1414
1515
1620
1721
1818
1919
2016
2117
2222
2323
2424
2525
2626
2727
2828
2935
3036
3133
3234
3331
3432
3529
3630
3737
3838
3939
4040
4141
4242
4343
4444
4545
4654
4755
4852
4953
5050
5151
5248
5349
5446
5547
5656
5757
5858
5959
6060
6161
6262
6363
6464
6565
6666
6777
6878
6975
7076
7173
7274
7371
7472

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