Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 422", based on the 5-celled von Neumann neighborhood.
A272086
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 422", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =20a(3) =73a(4) =265a(5) =961a(6) =3577a(7) =13593a(8) =53529a(9) =213529a(10) =850181a(11) =3404741a(12) =13593109a(13) =54297057a(14) =217165509a(15) =868360921
External references
- oeis: A272086