Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 822", based on the 5-celled von Neumann neighborhood.

A272762

Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 822", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =1a(1) =5a(2) =25a(3) =105a(4) =417a(5) =1657a(6) =6689a(7) =27353a(8) =112513a(9) =462969a(10) =1899873a(11) =7766041a(12) =31617089a(13) =128250041a(14) =518623777a(15) =2091988569

External references