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A115000 as a simple table

na(n)
51
61
72
82
93
103
115
124
137
146
158
168
1712
189
1915
2012
2116
2215
2322
2416
2525
2621
2727
2824
2935
3024
3140
3232
3340
3436
3548
3636
3757
3845
3956
4048
4170
4248
4377
4460
4572
4666
4792
4864
4998
5075
5196
5284
53117
5481
55120
5696
57120
58105
59145
6096
61155
62120
63144
64128
65168
66120
67187
68144
69176
70144
71210
72144

[1,1,2,2,3,3,5,4,7,6,8,8,12,9,15,12,16,15,22,16,
 25,21,27,24,35,24,40,32,40,36,48,36,57,45,56,48,
 70,48,77,60,72,66,92,64,98,75,96,84,117,81,120,96,
 120,105,145,96,155,120,144,128,168,120,187,144,
 176,144,210,144]