Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 646", based on the 5-celled von Neumann neighborhood.
A273327
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 646", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =17a(3) =61a(4) =257a(5) =1073a(6) =4433a(7) =18161a(8) =73937a(9) =299633a(10) =1210193a(11) =4875761a(12) =19608017a(13) =78746993a(14) =315932753a(15) =1266565361
External references
- oeis: A273327