1. (l) means that the number must be converted in a letter based on its position in the alphabet
  2.  
  3. >> http://pastebin.com/abcdefg
  4.  
  5. a(l [upper case])=1000 (binary)
  6. b=9th fibonacci number
  7. c(l)=22 (base 3)
  8. d(l)=4th Catalan number
  9. e(l [upper case])=x (x mod 2=1, x mod 5=3, x mod 7 = 2)
  10. f=4th fibonacci number
  11. g(l)=20