Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 611", based on the 5-celled von Neumann neighborhood.
A273213
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 611", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =37a(3) =173a(4) =757a(5) =3197a(6) =12697a(7) =51677a(8) =206509a(9) =826897a(10) =3315513a(11) =13257725a(12) =53074973a(13) =212356073a(14) =849467157a(15) =3397783865
External references
- oeis: A273213