Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 609", based on the 5-celled von Neumann neighborhood.
A273208
Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 609", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =21a(3) =29a(4) =72a(5) =84a(6) =141a(7) =168a(8) =248a(9) =289a(10) =340a(11) =377a(12) =477a(13) =525a(14) =597a(15) =629a(16) =808a(17) =908a(18) =1081a(19) =1153a(20) =1233a(21) =1356a(22) =1469a(23) =1497a(24) =1692a(25) =1873a(26) =2016a(27) =2149a(28) =2324a(29) =2521
External references
- oeis: A273208