Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 838", based on the 5-celled von Neumann neighborhood.
A273680
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 838", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =17a(3) =61a(4) =229a(5) =913a(6) =3537a(7) =13749a(8) =52929a(9) =207221a(10) =823365a(11) =3278237a(12) =13091905a(13) =52332353a(14) =209433741a(15) =837601361
External references
- oeis: A273680