a(n) = a(n-1) + 2^n * a(n-2) with a(0) = 1 and a(1) = 1.
A280294
a(n) = a(n-1) + 2^n * a(n-2) with a(0) = 1 and a(1) = 1.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =13a(4) =93a(5) =509a(6) =6461a(7) =71613a(8) =1725629a(9) =38391485a(10) =1805435581a(11) =80431196861
External references
- oeis: A280294