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A075874 as a simple table

na(n)
13
20
30
43
51
65
76
85
90
101
114
127
138
140
156
167
1710
187
1910
204
2110
226
2316
241
2511
2620
273
2818
2912
309
3113
3218
3321
3414
3534
3627
3711
3827
3933
4036
4118
425
4318
445
4523
4639
471
4810
4942
5028
5117
5220
5351
548
5542
5647
570
5827
5923
6016
6152
6232
6352
6453
6524
6643
6761
6864
6918
7017
7111
720
7353
7414
7562

[3,0,0,3,1,5,6,5,0,1,4,7,8,0,6,7,10,7,10,4,10,6,
 16,1,11,20,3,18,12,9,13,18,21,14,34,27,11,27,33,
 36,18,5,18,5,23,39,1,10,42,28,17,20,51,8,42,47,0,
 27,23,16,52,32,52,53,24,43,61,64,18,17,11,0,53,14,
 62]