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A004086 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
101
1111
1221
1331
1441
1551
1661
1771
1881
1991
202
2112
2222
2332
2442
2552
2662
2772
2882
2992
303
3113
3223
3333
3443
3553
3663
3773
3883
3993
404
4114
4224
4334
4444
4554
4664
4774
4884
4994
505
5115
5225
5335
5445
5555
5665
5775
5885
5995
606
6116
6226
6336
6446
6556
6666
6776
6886
6996
707
7117
7227
7337
7447

[0,1,2,3,4,5,6,7,8,9,1,11,21,31,41,51,61,71,81,91,
 2,12,22,32,42,52,62,72,82,92,3,13,23,33,43,53,63,
 73,83,93,4,14,24,34,44,54,64,74,84,94,5,15,25,35,
 45,55,65,75,85,95,6,16,26,36,46,56,66,76,86,96,7,
 17,27,37,47]