Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.
A270678
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =44a(3) =212a(4) =940a(5) =3857a(6) =15648a(7) =62928a(8) =251952a(9) =1005696a(10) =4021440a(11) =16072420a(12) =64261572a(13) =256960036a(14) =1027642244a(15) =4110139460
External references
- oeis: A270678