login

A161765 as a simple table

na(n)
11
22
34
44
56
66
79
88
910
1010
1112
1212
1315
1415
1516
1616
1718
1818
1921
2020
2121
2224
2324
2424
2527
2627
2728
2830
2932
3032
3135
3232
3334
3434
3536
3636
3739
3839
3940
4040
4142
4242
4344
4445
4548
4648
4750
4848
4951
5051
5152
5254
5356
5456
5555
5657
5760
5860
5960
6060
6165
6265
6366
6464
6566
6666
6769
6868
6969
7072
7172
7272

[1,2,4,4,6,6,9,8,10,10,12,12,15,15,16,16,18,18,21,
 20,21,24,24,24,27,27,28,30,32,32,35,32,34,34,36,
 36,39,39,40,40,42,42,44,45,48,48,50,48,51,51,52,
 54,56,56,55,57,60,60,60,60,65,65,66,64,66,66,69,
 68,69,72,72,72]