Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 813", based on the 5-celled von Neumann neighborhood.

A273639

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 813", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =8a(2) =44a(3) =205a(4) =901a(5) =3633a(6) =14677a(7) =59125a(8) =237109a(9) =951249a(10) =3804061a(11) =15204521a(12) =60841793a(13) =243398773a(14) =973620069a(15) =3894638321

External references