Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood.
A270206
Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =9a(3) =32a(4) =17a(5) =100a(6) =40a(7) =164a(8) =41a(9) =300a(10) =89a(11) =440a(12) =76a(13) =636a(14) =133a(15) =800a(16) =173a(17) =1088a(18) =193a(19) =1288a(20) =265a(21) =1600a(22) =348a(23) =1880a(24) =373a(25) =2324a(26) =344a(27) =2649a(28) =564a(29) =2985
External references
- oeis: A270206