login

A133321 as a simple table

na(n)
115
225
335
455
565
685
795
8115
9121
10143
11145
12155
13185
14187
15205
16215
17235
18253
19265
20295
21299
22305
23335
24341
25355
26365
27393
28395
29411
30415
31437
32445
33451
34473
35485
36505
37515
38535
39545
40565
41583
42635
43655
44671
45679
46685
47695
48717
49745
50755
51781
52785
53815

[15,25,35,55,65,85,95,115,121,143,145,155,185,187,
 205,215,235,253,265,295,299,305,335,341,355,365,
 393,395,411,415,437,445,451,473,485,505,515,535,
 545,565,583,635,655,671,679,685,695,717,745,755,
 781,785,815]