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A117899 as a simple table

na(n)
01
12
25
35
46
510
69
710
815
913
1014
1120
1217
1318
1425
1521
1622
1730
1825
1926
2035
2129
2230
2340
2433
2534
2645
2737
2838
2950
3041
3142
3255
3345
3446
3560
3649
3750
3865
3953
4054
4170
4257
4358
4475
4561
4662
4780
4865
4966
5085
5169
5270
5390
5473
5574
5695
5777
5878
59100
6081
6182
62105
6385
6486
65110
6689
6790
68115
6993

[1,2,5,5,6,10,9,10,15,13,14,20,17,18,25,21,22,30,
 25,26,35,29,30,40,33,34,45,37,38,50,41,42,55,45,
 46,60,49,50,65,53,54,70,57,58,75,61,62,80,65,66,
 85,69,70,90,73,74,95,77,78,100,81,82,105,85,86,
 110,89,90,115,93]