Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 469", based on the 5-celled von Neumann neighborhood.
A272417
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 469", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =44a(3) =204a(4) =876a(5) =3628a(6) =14764a(7) =59564a(8) =239276a(9) =959148a(10) =3840684a(11) =15370924a(12) =61500076a(13) =246033068a(14) =984197804a(15) =3936922284
External references
- oeis: A272417