login

A233780 as a simple table

na(n)
00
11
23
35
49
511
615
721
829
931
1035
1141
1251
1361
1469
1583
1699
17101
18105
19111
20121
21131
22141
23159
24183
25201
26209
27223
28245
29271
30287
31317
32349
33351
34355
35361
36371
37381
38391
39409
40433
41451
42461
43479
44509
45547
46573
47615
48667
49701
50709
51723
52745
53771

[0,1,3,5,9,11,15,21,29,31,35,41,51,61,69,83,99,
 101,105,111,121,131,141,159,183,201,209,223,245,
 271,287,317,349,351,355,361,371,381,391,409,433,
 451,461,479,509,547,573,615,667,701,709,723,745,
 771]