login

A203648 as a simple table

na(n)
11
22
39
44
55
618
77
88
927
1010
1111
1236
1313
1414
1545
1616
1717
1854
1919
2020
2163
2222
2323
2472
2525
2626
2781
2828
2929
3090
3131
3232
3399
3434
3535
36108
3737
3838
39117
4040
4141
42126
4343
4444
45135
4646
4747
48144
4949
5050
51153
5252
5353
54162
5555
5656
57171
5858
5959
60180
6161
6262
63189
6464
6565

[1,2,9,4,5,18,7,8,27,10,11,36,13,14,45,16,17,54,
 19,20,63,22,23,72,25,26,81,28,29,90,31,32,99,34,
 35,108,37,38,117,40,41,126,43,44,135,46,47,144,49,
 50,153,52,53,162,55,56,171,58,59,180,61,62,189,64,
 65]