Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood.
A272253
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =24a(3) =112a(4) =528a(5) =2336a(6) =10236a(7) =42900a(8) =173080a(9) =695664a(10) =2775888a(11) =11121576a(12) =44552136a(13) =178284452a(14) =712903764a(15) =2851816552
External references
- oeis: A272253