login

A075988 as a simple table

na(n)
10
20
30
41
51
61
73
82
93
104
114
124
137
145
155
168
179
186
1910
208
2110
2212
2310
2410
2514
2613
2713
2813
2915
3013
3119
3216
3316
3418
3516
3617
3724
3820
3918
4020
4123
4221
4325
4423
4523
4625
4725
4823
4930
5026
5128
5230
5328
5426
5530
5630
5734
5834
5932
6028
6137
6235
6331
6436
6537
6637
6741
6835
6937
7037
7141
7238
7346
7442
7540

[0,0,0,1,1,1,3,2,3,4,4,4,7,5,5,8,9,6,10,8,10,12,
 10,10,14,13,13,13,15,13,19,16,16,18,16,17,24,20,
 18,20,23,21,25,23,23,25,25,23,30,26,28,30,28,26,
 30,30,34,34,32,28,37,35,31,36,37,37,41,35,37,37,
 41,38,46,42,40]