a(0)=0, a(1)=1; for n>1, a(n) = a(n-1)*(a(n-1)+a(n-2)).
A126023
a(0)=0, a(1)=1; for n>1, a(n) = a(n-1)*(a(n-1)+a(n-2)).
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =6a(5) =48a(6) =2592a(7) =6842880
External references
- oeis: A126023
A126023
a(0)=0, a(1)=1; for n>1, a(n) = a(n-1)*(a(n-1)+a(n-2)).