Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 441", based on the 5-celled von Neumann neighborhood.
A272222
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 441", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =36a(3) =192a(4) =812a(5) =3284a(6) =13700a(7) =54768a(8) =219160a(9) =877820a(10) =3511440a(11) =14050304a(12) =56246708a(13) =225125676a(14) =901087684a(15) =3606684324
External references
- oeis: A272222