Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 515", based on the 5-celled von Neumann neighborhood.
A272706
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 515", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =25a(3) =137a(4) =649a(5) =2825a(6) =11785a(7) =48137a(8) =194569a(9) =782345a(10) =3137545a(11) =12566537a(12) =50298889a(13) =201261065a(14) =805175305a(15) =3220963337
External references
- oeis: A272706