Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 203", based on the 5-celled von Neumann neighborhood.
A270726
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 203", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =33a(3) =177a(4) =777a(5) =3209a(6) =13245a(7) =53929a(8) =216265a(9) =868153a(10) =3473737a(11) =13914329a(12) =55668253a(13) =222731725a(14) =890919341a(15) =3563996769
External references
- oeis: A270726