Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 493", based on the 5-celled von Neumann neighborhood.
A272544
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 493", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =8a(2) =44a(3) =204a(4) =876a(5) =3652a(6) =14972a(7) =60588a(8) =243604a(9) =976380a(10) =3907732a(11) =15630108a(12) =62502964a(13) =249929340a(14) =999409492a(15) =3996593628
External references
- oeis: A272544