Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 217", based on the 5-celled von Neumann neighborhood.
A270910
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 217", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =32a(3) =165a(4) =712a(5) =3128a(6) =12692a(7) =51320a(8) =206832a(9) =828224a(10) =3314696a(11) =13268265a(12) =53103133a(13) =212530772a(14) =850137956a(15) =3400590732
External references
- oeis: A270910