login

A328185 as a simple table

na(n)
31
43
57
65
711
87
95
109
1119
1211
1323
1413
159
1615
1731
1817
1935
2019
2113
2221
2343
2423
2547
2625
2717
2827
2955
3029
3159
3231
3321
3433
3567
3635
3771
3837
3925
4039
4179
4241
4383
4443
4529
4645
4791
4847
4995
5049
5133
5251
53103
5453
55107
5655
5737
5857
59115
6059
61119
6261
6341
6463
65127
6665
67131
6867

[1,3,7,5,11,7,5,9,19,11,23,13,9,15,31,17,35,19,13,
 21,43,23,47,25,17,27,55,29,59,31,21,33,67,35,71,
 37,25,39,79,41,83,43,29,45,91,47,95,49,33,51,103,
 53,107,55,37,57,115,59,119,61,41,63,127,65,131,67]