A Fibonacci-like model in which each pair of rabbits dies after the birth of their 4th litter: a(n) = a(n-2) + a(n-3) + a(n-4) + a(n-5).
A072465
A Fibonacci-like model in which each pair of rabbits dies after the birth of their 4th litter: a(n) = a(n-2) + a(n-3) + a(n-4) + a(n-5).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =7a(7) =11a(8) =17a(9) =26a(10) =40a(11) =61a(12) =94a(13) =144a(14) =221a(15) =339a(16) =520a(17) =798a(18) =1224a(19) =1878a(20) =2881a(21) =4420a(22) =6781a(23) =10403a(24) =15960a(25) =24485a(26) =37564a(27) =57629a(28) =88412a(29) =135638
External references
- oeis: A072465