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A340740 as a simple table

na(n)
10
20
30
40
51
60
72
82
92
101
117
122
137
146
155
164
1715
187
1919
2010
219
228
2332
249
2520
2620
2728
2813
2946
3014
3147
3231
3327
3431
3548
3617
3762
3839
3958
4026
4187
4226
4394
4453
4552
4641
47127
4848
49100
5065
5179
5261
53154
5452
55105
5662
5790
5880
59200
6045
61180
62113
63138
64103
65162
6677
67229
68116
69149
7073
71274
7287
73257
74166
75178

[0,0,0,0,1,0,2,2,2,1,7,2,7,6,5,4,15,7,19,10,9,8,
 32,9,20,20,28,13,46,14,47,31,27,31,48,17,62,39,58,
 26,87,26,94,53,52,41,127,48,100,65,79,61,154,52,
 105,62,90,80,200,45,180,113,138,103,162,77,229,
 116,149,73,274,87,257,166,178]