Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 499", based on the 5-celled von Neumann neighborhood.

A272561

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 499", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =5a(2) =36a(3) =156a(4) =740a(5) =3024a(6) =12656a(7) =53552a(8) =216197a(9) =866044a(10) =3487225a(11) =13994416a(12) =56043560a(13) =224257009a(14) =897119561a(15) =3589343753

External references