Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 211", based on the 5-celled von Neumann neighborhood.
A270898
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 211", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =37a(3) =177a(4) =817a(5) =3529a(6) =14313a(7) =58209a(8) =235305a(9) =944673a(10) =3792265a(11) =15195561a(12) =60817921a(13) =243331537a(14) =973495417a(15) =3894210865
External references
- oeis: A270898