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A316945 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
121
132
144
154
166
177
187
199
2010
2111
2212
2313
2414
2515
2616
2717
2818
2919
3020
3121
3222
3323
3424
3525
3626
3727
3828
3929
4030
4131
4232
4333
4434
4535
4636
4737
4838
4939
5040
5141
5242
5343
5444
5545
5646
5747
5848
5949
6050
6151
6252
6353
6454
6555
6656
6757
6858
6959
7060
7161
7262
7363
7464
7565
7666
7767
7868
7969
8070
8171
8272
8373
8474

[0,0,0,0,0,0,0,0,0,0,0,1,2,4,4,6,7,7,9,10,11,12,
 13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,
 29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,
 45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,
 61,62,63,64,65,66,67,68,69,70,71,72,73,74]