login

A053090 as a simple table

na(n)
31
40
53
62
76
86
912
1012
1121
1222
1333
1436
1550
1654
1772
1878
1999
20108
21133
22144
23174
24188
25222
26240
27279
28300
29345
30370
31420
32450
33506
34540
35603
36642
37711
38756
39832
40882
41966
421022
431113
441176
451275
461344
471452
481528
491644
501728
511853
521944
532079
542178
552322
562430

[1,0,3,2,6,6,12,12,21,22,33,36,50,54,72,78,99,108,
 133,144,174,188,222,240,279,300,345,370,420,450,
 506,540,603,642,711,756,832,882,966,1022,1113,
 1176,1275,1344,1452,1528,1644,1728,1853,1944,2079,
 2178,2322,2430]