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A057512 as a simple table

na(n)
00
11
22
33
44
56
65
77
88
99
1014
1110
1216
1319
1411
1515
1612
1717
1820
1913
2018
2121
2222
2323
2437
2524
2642
2751
2825
2938
3026
3144
3253
3327
3447
3556
3660
3728
3839
3929
4043
4152
4230
4340
4431
4545
4654
4734
4846
4957
5061
5133
5241
5332
5448
5555
5635
5749
5858
5962
6036
6150
6259
6363
6464
6565
66107
6766
68121
69149
7067

[0,1,2,3,4,6,5,7,8,9,14,10,16,19,11,15,12,17,20,
 13,18,21,22,23,37,24,42,51,25,38,26,44,53,27,47,
 56,60,28,39,29,43,52,30,40,31,45,54,34,46,57,61,
 33,41,32,48,55,35,49,58,62,36,50,59,63,64,65,107,
 66,121,149,67]