|
| |
|
|
A145756
|
|
a(n) = ((2^prime(n+2)-2)/prime(n+2))/3, where n >= 1
|
|
0
| |
|
|
2, 6, 62, 210, 2570, 9198, 121574, 6170930, 23091222, 1238188770, 17878237850, 68186767614, 998138215286, 56649051916610, 3256840408493918, 12600235023025650, 734198769102867726, 11085367330679918342
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|