Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 417", based on the 5-celled von Neumann neighborhood.
A272017
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 417", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =28a(3) =140a(4) =620a(5) =2548a(6) =10276a(7) =40020a(8) =157948a(9) =627348a(10) =2499964a(11) =9980820a(12) =39884668a(13) =159461268a(14) =637689724a(15) =2550448020
External references
- oeis: A272017