|
| |
|
|
A163489
|
|
Indices n such that composite(n)/3 is prime.
|
|
0
| |
|
|
2, 4, 8, 12, 21, 26, 35, 40, 49, 63, 68, 81, 92, 97, 106, 121, 136, 140, 154, 165, 171, 185, 195, 210, 229, 240, 245, 254, 260, 270, 305, 315, 330, 336, 360, 365, 379, 395, 405, 421, 437, 442, 467, 472, 483, 488, 517, 547, 557, 562, 573, 589, 594, 619, 634, 650
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
