login

A007898 as a simple table

na(n)
11
21
32
43
53
64
74
87
97
106
116
1212
137
148
1512
1616
179
1815
1910
2018
2116
2212
2312
2432
2517
2614
2722
2824
2915
3030
3116
3234
3324
3418
3524
3648
3719
3820
3928
4048
4121
4240
4322
4436
4545
4624
4724
4878
4932
5037
5136
5242
5327
5454
5536
5664
5740
5830
5930
6096
6131
6232
6360
6478
6542
6660
6734
6854

[1,1,2,3,3,4,4,7,7,6,6,12,7,8,12,16,9,15,10,18,16,
 12,12,32,17,14,22,24,15,30,16,34,24,18,24,48,19,
 20,28,48,21,40,22,36,45,24,24,78,32,37,36,42,27,
 54,36,64,40,30,30,96,31,32,60,78,42,60,34,54]