Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 99", based on the 5-celled von Neumann neighborhood.

A270157

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 99", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =5a(2) =41a(3) =197a(4) =869a(5) =3633a(6) =14697a(7) =59561a(8) =238625a(9) =957509a(10) =3830797a(11) =15337165a(12) =61372197a(13) =245519885a(14) =982203133a(15) =3928889241

External references