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A335681 as a simple table

na(n)
10
20
30
40
51
60
70
83
93
100
110
126
137
146
150
160
1710
1814
1914
2010
210
220
2315
2422
2527
2622
2715
280
290
3021
3133
3242
3342
3433
3521
360
370
3828
3945
4063
4165
4263
4345
4428
450
460
4736
4860
4985
5098
5198
5285
5360
5436
550
560
5745
5876
59113
60131
61147
62131
63113
6476
6545
660
670
6855
6995
70143
71174
72196
73196
74174
75143
7695
7755
780

[0,0,0,0,1,0,0,3,3,0,0,6,7,6,0,0,10,14,14,10,0,0,
 15,22,27,22,15,0,0,21,33,42,42,33,21,0,0,28,45,63,
 65,63,45,28,0,0,36,60,85,98,98,85,60,36,0,0,45,76,
 113,131,147,131,113,76,45,0,0,55,95,143,174,196,
 196,174,143,95,55,0]