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A303711 as a simple table

na(n)
10
20
30
41
52
60
73
80
92
103
118
120
139
144
153
166
1719
188
1919
204
215
2211
2320
240
255
2612
278
285
2926
300
3127
326
3312
3419
358
364
3735
3824
3911
405
4142
4210
4346
4413
458
4626
4750
488
4917
5018
5128
5229
5364
5416
5515
568
5719
5841
5956
600
6157
6230
639
6414
6523
6627
6785
6836
6931
7015
7178
7212
7380

[0,0,0,1,2,0,3,0,2,3,8,0,9,4,3,6,19,8,19,4,5,11,
 20,0,5,12,8,5,26,0,27,6,12,19,8,4,35,24,11,5,42,
 10,46,13,8,26,50,8,17,18,28,29,64,16,15,8,19,41,
 56,0,57,30,9,14,23,27,85,36,31,15,78,12,80]