Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 123", based on the 5-celled von Neumann neighborhood.
A270211
Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 123", based on the 5-celled von Neumann neighborhood.
Terms
- a(0) =1a(1) =5a(2) =41a(3) =209a(4) =913a(5) =3697a(6) =14809a(7) =59201a(8) =236233a(9) =941057a(10) =3747049a(11) =14924321a(12) =59479753a(13) =237213377a(14) =946629289a(15) =3779628641
External references
- oeis: A270211