Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 205", based on the 5-celled von Neumann neighborhood.

A270730

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 205", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =8a(2) =40a(3) =200a(4) =892a(5) =3596a(6) =14116a(7) =57529a(8) =230544a(9) =922437a(10) =3694432a(11) =14776516a(12) =59132608a(13) =236525460a(14) =946195840a(15) =3784776100

External references