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A100708 as a simple table

na(n)
11
22
33
44
55
66
78
87
99
1010
1111
1212
1313
1414
1515
1616
1717
1821
1922
2018
2124
2219
2320
2423
2525
2626
2727
2829
2930
3031
3128
3232
3336
3433
3534
3640
3735
3838
3937
4039
4141
4242
4343
4444
4545
4646
4747
4848
4950
5051
5152
5253
5354
5455
5556
5657
5758
5849
5959
6069
6160
6261
6374
6462
6563
6664
6765

[1,2,3,4,5,6,8,7,9,10,11,12,13,14,15,16,17,21,22,
 18,24,19,20,23,25,26,27,29,30,31,28,32,36,33,34,
 40,35,38,37,39,41,42,43,44,45,46,47,48,50,51,52,
 53,54,55,56,57,58,49,59,69,60,61,74,62,63,64,65]