Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 137", based on the 5-celled von Neumann neighborhood.
A270275
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 137", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =28a(3) =132a(4) =616a(5) =2576a(6) =10456a(7) =41792a(8) =166928a(9) =665688a(10) =2654168a(11) =10593728a(12) =42306328a(13) =169162608a(14) =676625416a(15) =2707754136
External references
- oeis: A270275