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A081596 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
105
116
127
138
149
1510
1611
1712
1813
1914
2010
2111
2212
2313
2414
2515
2616
2717
2818
2919
3015
3116
3217
3318
3419
3520
3621
3722
3823
3924
4020
4121
4222
4323
4424
4525
4626
4727
4828
4929
5025
5126
5227
5328
5429
5530
5631
5732
5833
5934
6030
6131
6232
6333
6434
6535
6636
6737
6838
6939
7035
7136
7237
7338
7439
7540
7641

[0,1,2,3,4,5,6,7,8,9,5,6,7,8,9,10,11,12,13,14,10,
 11,12,13,14,15,16,17,18,19,15,16,17,18,19,20,21,
 22,23,24,20,21,22,23,24,25,26,27,28,29,25,26,27,
 28,29,30,31,32,33,34,30,31,32,33,34,35,36,37,38,
 39,35,36,37,38,39,40,41]