Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 213", based on the 5-celled von Neumann neighborhood.
A270902
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 213", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =44a(3) =200a(4) =848a(5) =3544a(6) =14892a(7) =60788a(8) =245156a(9) =982444a(10) =3943484a(11) =15780348a(12) =63144848a(13) =252667520a(14) =1010772776a(15) =4043327828
External references
- oeis: A270902