Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 481", based on the 5-celled von Neumann neighborhood.
A272456
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 481", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =4a(2) =28a(3) =172a(4) =788a(5) =3104a(6) =12100a(7) =48388a(8) =195740a(9) =783952a(10) =3147184a(11) =12657304a(12) =50782776a(13) =203448672a(14) =814440216a(15) =3259062744
External references
- oeis: A272456