login

A218121 as a simple table

na(n)
11
25
35
411
511
617
717
817
929
1029
1129
1241
1341
1441
1541
1641
1741
1867
1967
2067
2167
2283
2383
2483
2583
2683
2783
28109
29109
30127
31127
32127
33127
34149
35149
36149
37149
38149
39149
40149
41181
42181
43181
44181
45181
46181
47181
48181
49229
50229
51229
52229
53251
54251
55251
56251
57251
58251
59251
60251

[1,5,5,11,11,17,17,17,29,29,29,41,41,41,41,41,41,
 67,67,67,67,83,83,83,83,83,83,109,109,127,127,127,
 127,149,149,149,149,149,149,149,181,181,181,181,
 181,181,181,181,229,229,229,229,251,251,251,251,
 251,251,251,251]