Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 454", based on the 5-celled von Neumann neighborhood.
A272277
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 454", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =20a(3) =57a(4) =233a(5) =980a(6) =3508a(7) =14868a(8) =58405a(9) =229204a(10) =920924a(11) =3674453a(12) =14688173a(13) =58779657a(14) =235052852a(15) =939831460
External references
- oeis: A272277