mirror
/
RosettaCodeData
mirror of https://github.com/acmeism/RosettaCodeData.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
RosettaCodeData/Task/Fibonacci-sequence/Haskell/fibonacci-sequence-17.hs

2 lines
78 B
Haskell
Raw Permalink Blame History

f (n,(a,b)) = (2*n,(a*a+b*b,2*a*b+b*b)) -- iterate f (1,(0,1)) ; b is nth
Reference in New Issue View Git Blame Copy Permalink