login

A261671 as a simple table

na(n)
03
11
215
33
427
55
639
77
851
99
1063
1111
1275
1313
1487
1515
1699
1717
18111
1919
20123
2121
22135
2323
24147
2525
26159
2727
28171
2929
30183
3131
32195
3333
34207
3535
36219
3737
38231
3939
40243
4141
42255
4343
44267
4545
46279
4747
48291
4949
50303
5151
52315
5353
54327
5555
56339
5757
58351
5959
60363

[3,1,15,3,27,5,39,7,51,9,63,11,75,13,87,15,99,17,
 111,19,123,21,135,23,147,25,159,27,171,29,183,31,
 195,33,207,35,219,37,231,39,243,41,255,43,267,45,
 279,47,291,49,303,51,315,53,327,55,339,57,351,59,
 363]