|
| |
|
|
A156321
|
|
a(1)=0, a(n+1) is smallest nonprime > 2*a(n).
|
|
0
| |
|
|
0, 1, 4, 9, 20, 42, 85, 171, 343, 687, 1375, 2751, 5504, 11009, 22019, 44039, 88080, 176162, 352325, 704651, 1409303, 2818607, 5637215, 11274431, 22548863, 45097727, 90195455, 180390911, 360781823, 721563647, 1443127295, 2886254591
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
