a(n) = 2^prime(n) + 2^prime(n+1).
A137389
a(n) = 2^prime(n) + 2^prime(n+1).
Terms
- a(0) =12a(1) =40a(2) =160a(3) =2176a(4) =10240a(5) =139264a(6) =655360a(7) =8912896a(8) =545259520a(9) =2684354560a(10) =139586437120
External references
- oeis: A137389
A137389
a(n) = 2^prime(n) + 2^prime(n+1).