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A274715 as a simple table

na(n)
10
20
30
40
50
61
70
81
90
103
110
123
132
144
150
164
173
187
191
207
216
228
234
248
257
2610
276
2810
299
3011
315
3211
3310
3415
359
3615
3714
3816
3912
4016
4115
4218
4314
4418
4517
4619
4714
4819
4918
5022
5117
5222
5321
5423
5519
5623
5722
5825
5921
6025
6124
6226
6319
6426
6525
6631
6724
6831
6930
7032
7128
7232
7331
7434
7530
7634
7733
7835
7930
8035
8134
8238
8333
8438
8537
8639
8735
8839
8938
9041
9137
9241
9340
9442
9536
9642
9741
9846
9940
10046
10145
10247
10343
10447
10546
10649
10745
10849
10948
11050
11145
11250
11349
11453
11548
11653
11752
11854
11950
12054
12153
12256
12352
12456
12555
12657
12749
12857
12956
13063
13155
13263
13362
13464
13560
13664
13763
13866
13962
14066
14165
14267
14362
14467
14566
14670
14765
14870
14969
15071

[0,0,0,0,0,1,0,1,0,3,0,3,2,4,0,4,3,7,1,7,6,8,4,8,
 7,10,6,10,9,11,5,11,10,15,9,15,14,16,12,16,15,18,
 14,18,17,19,14,19,18,22,17,22,21,23,19,23,22,25,
 21,25,24,26,19,26,25,31,24,31,30,32,28,32,31,34,
 30,34,33,35,30,35,34,38,33,38,37,39,35,39,38,41,
 37,41,40,42,36,42,41,46,40,46,45,47,43,47,46,49,
 45,49,48,50,45,50,49,53,48,53,52,54,50,54,53,56,
 52,56,55,57,49,57,56,63,55,63,62,64,60,64,63,66,
 62,66,65,67,62,67,66,70,65,70,69,71]