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A125987 as a simple table

na(n)
00
11
22
33
44
56
67
75
88
99
1014
1116
1211
1315
1417
1520
1610
1712
1819
1921
2018
2113
2222
2323
2437
2542
2628
2739
2844
2943
3025
3130
3238
3340
3453
3529
3652
3745
3854
3957
4048
4155
4224
4351
4431
4526
4634
4747
4833
4956
5041
5158
5262
5346
5449
5561
5627
5735
5832
5960
6063
6159
6250
6336
6464
6565
66107
67121
6879
69112

[0,1,2,3,4,6,7,5,8,9,14,16,11,15,17,20,10,12,19,
 21,18,13,22,23,37,42,28,39,44,43,25,30,38,40,53,
 29,52,45,54,57,48,55,24,51,31,26,34,47,33,56,41,
 58,62,46,49,61,27,35,32,60,63,59,50,36,64,65,107,
 121,79,112]