Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 427", based on the 5-celled von Neumann neighborhood.
A271903
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 427", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =32a(3) =145a(4) =688a(5) =2977a(6) =12432a(7) =50785a(8) =205328a(9) =825697a(10) =3311632a(11) =13264225a(12) =53092368a(13) =212440417a(14) =849903632a(15) =3399898465
External references
- oeis: A271903