login

A031273 as a simple table

na(n)
13
27
39
418
523
628
729
844
949
1054
1162
1264
1372
1474
1589
1690
17100
18104
19105
20112
21113
22117
23127
24133
25138
26140
27147
28166
29168
30175
31180
32181
33184
34186
35187
36191
37195
38209
39216
40220
41228
42229
43242
44246
45249
46253
47256
48272
49276
50277

[3,7,9,18,23,28,29,44,49,54,62,64,72,74,89,90,100,
 104,105,112,113,117,127,133,138,140,147,166,168,
 175,180,181,184,186,187,191,195,209,216,220,228,
 229,242,246,249,253,256,272,276,277]