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A003165 as a simple table

na(n)
10
20
30
40
51
60
72
81
92
102
114
121
135
144
154
164
177
184
198
205
217
228
2310
245
2510
2610
2710
289
2913
308
3114
3211
3313
3414
3514
3610
3717
3816
3916
4013
4119
4214
4320
4417
4517
4620
4722
4815
4922
5020
5122
5221
5325
5420
5524
5621
5725
5826
5928
6019
6129
6228
6326
6426
6529
6626
6732
6829
6931
7028
7134
7225
7335
7434
7532

[0,0,0,0,1,0,2,1,2,2,4,1,5,4,4,4,7,4,8,5,7,8,10,5,
 10,10,10,9,13,8,14,11,13,14,14,10,17,16,16,13,19,
 14,20,17,17,20,22,15,22,20,22,21,25,20,24,21,25,
 26,28,19,29,28,26,26,29,26,32,29,31,28,34,25,35,
 34,32]