|
| |
|
|
A072060
|
|
Smallest prime p such that 2*p+1 has n prime factors (with multiplicity).
|
|
2
| |
|
|
2, 7, 13, 67, 283, 607, 1093, 12757, 22963, 49207, 482233, 1623847, 797161, 14614627, 19929037, 35872267, 150663523, 2044719247, 1355971711, 9879222469, 37773497677, 200490103057, 172595827849, 235357947067, 1176789735337
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
