Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 173", based on the 5-celled von Neumann neighborhood.
A270466
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 173", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =40a(3) =180a(4) =820a(5) =3452a(6) =14520a(7) =57880a(8) =230484a(9) =919432a(10) =3673908a(11) =14687560a(12) =58735284a(13) =234910792a(14) =939583668a(15) =3758215240
External references
- oeis: A270466